Andreessen Horowitz

Andreessen Horowitz is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz and based in Menlo Park, California. It funds startups across the entire lifecycle, from seed to growth, with a broad focus on software and technology-enabled businesses. The firm backs companies in software, cloud infrastructure, digital platforms, data storage, and mobile and Internet services, as well as sectors at the intersection of technology with life sciences, such as bio healthcare and computational medicine. Its investments span artificial intelligence, fintech, consumer and enterprise software, crypto and blockchain, cybersecurity, and related infrastructure. Through strategic guidance and a hands-on approach, the firm aims to help portfolio companies scale and innovate.

Leila Abu-Sharr

Partner, Market Development

Anish Acharya

General Partner

Vineeta Agarwala

General Partner

Eric Alby

Partner

Ryan Allen

Partner

Past deals in PaaS

LayerZero

Funding Round in 2025
LayerZero develops a blockchain interoperability platform that enables data exchange between disparate blockchains. Its platform achieves speed and security by validating as an on-chain light node, allowing companies to build cross-chain applications using a low-level communication primitive.

Metronome

Series C in 2025
Metronome provides billing infrastructure for software companies, facilitating rapid deployment, flexibility, and user-friendly solutions. It enables business and product teams to manage revenue and pricing independently, streamlining workflows and offering customers real-time spending insights.

Story Protocol

Series B in 2024
Story Protocol is a technology company focused on revolutionizing the creation of narrative universes in the web3 space. Its platform enables creators to develop, own, govern, and license intellectual property on-chain, fostering an ecosystem where story elements can be remixed and composed.

Upstash

Series A in 2024
Upstash is a company that specializes in creating a serverless data platform tailored for developers of data-intensive applications. Their platform offers durable storage solutions with a multi-tier architecture, making it cost-effective and easy to integrate. This enables developers to handle various use cases beyond simple caching, providing strong consistency models with replicated and durable writes. Upstash operates on a consumption-based pricing model, ensuring that costs align with actual usage.

Metronome

Series B in 2024
Metronome provides billing infrastructure for software companies, facilitating rapid deployment, flexibility, and user-friendly solutions. It enables business and product teams to manage revenue and pricing independently, streamlining workflows and offering customers real-time spending insights.

Inngest

Venture Round in 2024
Inngest is a developer platform focused on simplifying the creation of reliable event-driven workflows without the need for infrastructure management. It offers a robust workflow engine that enables users to design and implement complex, multi-step functions that coordinate various events within an organization's business operations. By facilitating the building and execution of intricate workflows in real time, Inngest empowers developers and operators to streamline processes and enhance operational efficiency. The platform aims to eliminate the complexities associated with traditional infrastructure, making it easier for teams to focus on their core development tasks.

Replicate

Series B in 2023
Replicate simplifies machine learning model deployment using cloud technology. Its platform enables developers to deploy AI models with minimal coding, reducing manual work and streamlining workflows.

Nx

Series A in 2023
Nx is a developer-focused company that provides a coding platform aimed at streamlining software development processes. Its offerings include tools that facilitate the design of multiple full-stack applications within a single workspace, enabling efficient code sharing among projects. Nx supports system development through monorepos and robust integrations, allowing companies to optimize their software development workflows. Additionally, the company provides cloud services and a console designed to accelerate code deployment, along with training services to enhance users' skills in utilizing these tools effectively.

MotherDuck

Series B in 2023
MotherDuck is a company that specializes in data infrastructure and analytics, providing a serverless platform designed for both small and large datasets. By integrating the efficiency of DuckDB with cloud capabilities, MotherDuck delivers a user-friendly analytics solution that supports hybrid execution. Its platform utilizes an embedded database to facilitate the analysis of big data, enabling businesses to prototype with both local and remote data seamlessly. This integrated environment allows organizations to effectively analyze their data, enhancing collaboration and maximizing profitability.

Fly.io

Series C in 2023
Fly.io is a company that provides an Application Delivery Network (ADN) designed to connect website owners with their customers effectively. Its platform allows users to build application servers using JavaScript, enabling them to write, test, and run code locally before deploying it. By utilizing a network of servers, Fly.io accepts visitor traffic, processes requests through middleware, and routes them to backend applications. This infrastructure allows website owners to direct their visitors securely and efficiently, ensuring that applications can scale and operate close to end users.

Payrails

Seed Round in 2023
Payrails is a cloud‑native payment operating system that enables global enterprises to manage all aspects of payment operations through a single API. The platform connects merchants to a broad network of payment providers, fraud solutions, and alternative payment methods, and offers ledger‑based reconciliation, on‑demand payouts, and instant refunds. By eliminating the need for costly in‑house infrastructure, Payrails allows companies to build, operate, and scale payment acceptance and embed financial services efficiently.

OpenAI

Venture Round in 2023
OpenAI is an AI research and deployment company that develops general-purpose artificial intelligence technologies and applies them to real-world problems. It conducts machine learning research and builds systems such as large-scale language models, multimodal input handling, and code generation to support automation, data analysis, content generation, and interactive problem solving across industries including technology, healthcare, and education. The organization offers platforms and APIs that enable enterprises, developers, and researchers to build, test, and deploy intelligent systems, with plug-in extensibility and ongoing model updates to improve performance and safety.

Replit

Series B in 2023
Replit is a browser-based integrated development environment (IDE) founded in 2016. It enables collaborative coding across platforms using over 50 programming languages. Users can build apps and websites, share projects, create communal workspaces, and execute code via containers, all within a browser on any operating system.

Lightup

Series A in 2023
Lightup is a no-code data quality platform that enables enterprises to achieve 100% data quality coverage 10x faster than legacy tools, across multi-cloud, hybrid, and on-premises environments, on batch or streaming data – scalable in minutes, not months. With prebuilt pushdown data quality checks, AI-powered anomaly detection, real-time incident alerts, and integrated issue resolution management, Lightup empowers data teams to proactively monitor data health at fine granularity and quickly pinpoint bad data flowing in good data pipelines to ensure reliable, accurate business-critical data and prevent costly data outages, before they occur. Founded in 2019, with headquarters in Mountain View, CA, Lightup Data, Inc. is a Series A private startup company, backed by Andreessen Horowitz (a16z) and Spectrum28.

Svix

Venture Round in 2023
Svix is a webhooks-as-a-service platform that enables companies to send webhooks reliably and build integrations and workflow automation. Founded in 2021 and headquartered in New York, Svix focuses on deliverability and developer experience, providing tools to monitor endpoints, inspect logs, and view reports. The platform serves organizations of all sizes, offering a scalable solution to integrate systems and automate event-driven workflows with robust reliability and visibility.

Replicate

Series A in 2023
Replicate simplifies machine learning model deployment using cloud technology. Its platform enables developers to deploy AI models with minimal coding, reducing manual work and streamlining workflows.

Snapser

Seed Round in 2023
Snapser is a developer of a customizable backend platform specifically designed for game studios and app makers. The platform allows for tailored backends for individual games through its pluggable code, data, server, and cloud components. By offering features such as cost reporting, insights, and optimization recommendations, Snapser enables game developers to enhance their development processes. Additionally, the platform provides functional administrative tools for managing various features, thereby streamlining the overall development experience for its users.

Pearl Health

Venture Round in 2022
Pearl Health empowers primary care providers to deliver proactive healthcare, reducing total cost of care. Founded in 2020, it partners with thousands of providers across 44 states, offering a platform that enables fixed payments per member, clinical insights, and direct contracting assistance.

Nx

Seed Round in 2022
Nx is a developer-focused company that provides a coding platform aimed at streamlining software development processes. Its offerings include tools that facilitate the design of multiple full-stack applications within a single workspace, enabling efficient code sharing among projects. Nx supports system development through monorepos and robust integrations, allowing companies to optimize their software development workflows. Additionally, the company provides cloud services and a console designed to accelerate code deployment, along with training services to enhance users' skills in utilizing these tools effectively.

MotherDuck

Series A in 2022
MotherDuck is a company that specializes in data infrastructure and analytics, providing a serverless platform designed for both small and large datasets. By integrating the efficiency of DuckDB with cloud capabilities, MotherDuck delivers a user-friendly analytics solution that supports hybrid execution. Its platform utilizes an embedded database to facilitate the analysis of big data, enabling businesses to prototype with both local and remote data seamlessly. This integrated environment allows organizations to effectively analyze their data, enhancing collaboration and maximizing profitability.

Fly.io

Series B in 2022
Fly.io is a company that provides an Application Delivery Network (ADN) designed to connect website owners with their customers effectively. Its platform allows users to build application servers using JavaScript, enabling them to write, test, and run code locally before deploying it. By utilizing a network of servers, Fly.io accepts visitor traffic, processes requests through middleware, and routes them to backend applications. This infrastructure allows website owners to direct their visitors securely and efficiently, ensuring that applications can scale and operate close to end users.

Tecton

Series C in 2022
Tecton offers an enterprise-grade feature store, empowering businesses to harness machine learning effectively. Its platform addresses unique ML data requirements, enabling teams to build, serve, and scale features swiftly and reliably.

Linera

Seed Round in 2022
Linera is a multi-chain infrastructure company focused on enhancing the scalability of web3 applications. By developing a blockchain protocol that integrates microchains, Linera enables parallel operation of these chains within a shared set of validators. This innovative approach aims to bring web2-level performance to web3, providing users with low latency and improved network efficiency. Through its solutions, Linera seeks to redefine the landscape of blockchain technology, making it more accessible and effective for developers and end-users alike.

Imply

Series D in 2022
Imply, founded by the original creators of Apache Druid, offers a comprehensive real-time analytics platform that leverages the capabilities of Apache Druid, an open-source database optimized for event-driven and streaming data. The company's multi-cloud platform enables organizations to ingest and visualize petabyte-scale datasets in real-time, facilitating monitoring, alerting, and diagnostics with sub-second query response times. This innovative approach, termed analytics-in-motion, allows businesses to transition from traditional, static analytics solutions to interactive and highly scalable options. Imply serves a diverse clientele, including some of the world's largest and most innovative companies, providing tools for building analytics-powered applications and addressing various business intelligence and operational analytics needs. With a presence in North America, Europe, and Asia Pacific, Imply is at the forefront of a new category of real-time analytics solutions.

Trunk

Series A in 2022
Founded in 2021, Trunk is a San Francisco-based company redefining large-scale software development. It offers a platform designed to enhance productivity by addressing the challenges that arise as software projects scale and become more complex.

Pahdo Labs

Series A in 2022
Pahdo Labs is a game development company founded in 2021 and based in New York, NY. The company specializes in creating an Anime-style action MMORPG and a game creation platform that empowers players to design and share their own games. Pahdo Labs aims to cultivate a virtual world where individuals can engage meaningfully, own the fruits of their creativity, and foster a sense of community. By providing tools that enable gamers to transform their imaginations into reality, Pahdo Labs enhances the multiplayer online gaming experience, promoting long-lasting engagement and entertainment.

Payrails

Seed Round in 2022
Payrails is a cloud‑native payment operating system that enables global enterprises to manage all aspects of payment operations through a single API. The platform connects merchants to a broad network of payment providers, fraud solutions, and alternative payment methods, and offers ledger‑based reconciliation, on‑demand payouts, and instant refunds. By eliminating the need for costly in‑house infrastructure, Payrails allows companies to build, operate, and scale payment acceptance and embed financial services efficiently.

Optimism

Series B in 2022
Optimism is an Ethereum-based decentralized infrastructure platform founded in 2019. It enables instant transactions and scalable smart contracts through its layer 2 scaling solution, helping developers build on the blockchain.

Alloy Automation

Series A in 2022
Alloy Automation is a no-code platform that facilitates the creation and management of integrations for various software-as-a-service (SaaS) applications. Launched in 2019, Alloy enables businesses to efficiently connect sales, marketing, customer support, and messaging applications while automating complex workflows without the need for coding. This approach allows companies to streamline operations, reduce manual tasks, and focus on growth. Alloy's platform is utilized by notable clients, including Amazon and Gorgias, to expedite the deployment of user-facing integrations, offering a significant advantage over in-house development. The company has received substantial backing from prominent investors, including a16z and Y Combinator.

Replit

Series B in 2021
Replit is a browser-based integrated development environment (IDE) founded in 2016. It enables collaborative coding across platforms using over 50 programming languages. Users can build apps and websites, share projects, create communal workspaces, and execute code via containers, all within a browser on any operating system.

Anyscale

Series C in 2021
Anyscale develops and operates distributed programming platforms for simplifying distributed AI development. It offers Ray, an open-source framework enabling software developers and machine learning engineers to scale applications effortlessly from a laptop to the cloud.

PlanetScale

Series C in 2021
PlanetScale designs and develops an online database platform that enables businesses to operationalize Vitess for protecting, accessing, and deriving insights from their data. It offers a Database-as-a-service platform, cluster manager software licenses, open-source Vitess support, training solutions, and PlanetScaleDB for vendor lock prevention, data locality, disaster recovery, MySQL compatibility, scaling, and control plane deployment.

Alluxio

Series C in 2021
Alluxio provides a memory-centric distributed storage system that bridges applications with underlying storage systems, offering unified data access. It was founded in 2015 by the creators of Alluxio (formerly Tachyon), an open-source project from UC Berkeley AMPLab.

Replay

Seed Round in 2021
Replay is a San Francisco-based company founded in 2021 that specializes in a debugging platform tailored for web developers. Its innovative browser records all necessary contexts to facilitate quicker bug resolution, allowing team members to navigate directly to any point in the execution. The platform enables users to record bugs, share them with their development teams, and utilize familiar browser development tools for inspection and analysis. By providing features such as the ability to add Console logs on the fly, Replay enhances collaboration and efficiency in the debugging process.

Pearl Health

Series A in 2021
Pearl Health empowers primary care providers to deliver proactive healthcare, reducing total cost of care. Founded in 2020, it partners with thousands of providers across 44 states, offering a platform that enables fixed payments per member, clinical insights, and direct contracting assistance.

Stacker

Series A in 2021
Founded in 2017, Stacker is a London-based no-code software creation platform that empowers developers to build applications using intuitive tools such as clever spreadsheets, animated slide decks, and email filters. Its modular application platform automates common tasks, enabling developers to create software without extensive coding knowledge.

Apollo GraphQL

Series D in 2021
Apollo GraphQL provides an open-source GraphQL platform and commercial technologies that help teams build, test, and ship APIs across applications. The platform reduces boilerplate code, accelerates delivery by enabling frontend and mobile features to stay in sync with backend services, and supports scalable API development. Its Apollo GraphOS suite includes a self-service supergraph that links multiple backend services into a unified, scalable API, facilitating faster experimentation and deployment. The company serves major brands such as Netflix, Snap, and The New York Times, handling more than five trillion requests in 2023 and enabling personalized, omnichannel experiences. Based in San Francisco, Apollo GraphQL is used by developers to streamline API workflows across organizations.

Pietra

Series A in 2021
Pietra is an integrated digital commerce platform that helps independent brand owners manage product lifecycles—from design and sourcing to manufacturing, logistics, and online selling. The solution connects designers and customers for custom pieces and provides a centralized system for brand management, access to a network of vetted production facilities, specialized logistics for order processing and shipping, and tools for content creation and distribution to support launching and scaling products on a global e-commerce network.

Imply

Series C in 2021
Imply, founded by the original creators of Apache Druid, offers a comprehensive real-time analytics platform that leverages the capabilities of Apache Druid, an open-source database optimized for event-driven and streaming data. The company's multi-cloud platform enables organizations to ingest and visualize petabyte-scale datasets in real-time, facilitating monitoring, alerting, and diagnostics with sub-second query response times. This innovative approach, termed analytics-in-motion, allows businesses to transition from traditional, static analytics solutions to interactive and highly scalable options. Imply serves a diverse clientele, including some of the world's largest and most innovative companies, providing tools for building analytics-powered applications and addressing various business intelligence and operational analytics needs. With a presence in North America, Europe, and Asia Pacific, Imply is at the forefront of a new category of real-time analytics solutions.

PlanetScale

Series B in 2021
PlanetScale designs and develops an online database platform that enables businesses to operationalize Vitess for protecting, accessing, and deriving insights from their data. It offers a Database-as-a-service platform, cluster manager software licenses, open-source Vitess support, training solutions, and PlanetScaleDB for vendor lock prevention, data locality, disaster recovery, MySQL compatibility, scaling, and control plane deployment.

Beacons

Seed Round in 2021
Founded in 2019, Beacons is a platform that enables creators to build mobile-friendly websites with extensive customization options. It supports various monetization methods such as donations, e-commerce, and affiliate marketing, serving hundreds of thousands of creators across social media platforms like TikTok, Instagram, and Twitter.

Plaid

Series D in 2021
Plaid is a technology platform that provides APIs and developer tools to connect consumer bank accounts and financial data with applications. It enables developers to build modern financial services by offering infrastructure and intelligence tools that allow access to transactions, authentication for bank accounts, identity verification, real-time balances, asset verification, and income data. Its products include Transactions, Auth, Identity, Balance, Assets, and Income, supporting personal finance, consumer payments, lending, banking and brokerage, and business finance solutions. Plaid serves developers from startups to large financial institutions, helping democratize financial services with a developer-friendly experience. The company was founded in 2012 and is headquartered in San Francisco, California.

Substack

Series B in 2021
Substack operates a subscription-based publishing platform that enables writers to create, publish, and monetize newsletters. The platform supports both free and paid subscriptions and allows content to be published to a reader email list and a website. It includes editing tools and templates to design newsletters and handles subscriber payments, aiming to simplify monetization and direct engagement between writers and readers. Substack focuses on selling subscriptions without advertisements, helping independent writers build audience relationships and revenue streams. The company was founded in 2017 and is based in San Francisco, California.

Biodock

Seed Round in 2021
Biodock is a developer of a cloud-based analysis platform that specializes in the analysis and storage of biological data, particularly microscopy images. Its innovative technology automates what traditionally takes months of analysis into just minutes, leveraging an end-to-end AI architecture. The platform offers auto-scaling storage and GPU compute capabilities, resulting in analysis that is 30-50% more accurate. Designed with scientists in mind, it provides a user-friendly interface that enables clinicians to efficiently upload, analyze, and download data at a single-cell level, complete with publication-ready graphs. Additionally, Biodock processes millions of cells weekly for its academic and enterprise customers, contributing to the creation of a vast image dataset that enhances its competitive edge in the market.

Optimism

Series A in 2021
Optimism is an Ethereum-based decentralized infrastructure platform founded in 2019. It enables instant transactions and scalable smart contracts through its layer 2 scaling solution, helping developers build on the blockchain.

Replit

Series A in 2021
Replit is a browser-based integrated development environment (IDE) founded in 2016. It enables collaborative coding across platforms using over 50 programming languages. Users can build apps and websites, share projects, create communal workspaces, and execute code via containers, all within a browser on any operating system.

Celo

Venture Round in 2021
Celo is an open platform focused on providing financial tools to individuals with mobile phones, aiming to foster prosperity for all. It has developed a mobile-first blockchain platform that facilitates access to financial services and aims to enhance financial stability. The platform employs alphanumeric strings for cryptocurrency transactions, allowing users to transfer money quickly, securely, and reliably. Through these innovations, Celo seeks to democratize financial access and create a more inclusive monetary system.

Trunk

Seed Round in 2021
Founded in 2021, Trunk is a San Francisco-based company redefining large-scale software development. It offers a platform designed to enhance productivity by addressing the challenges that arise as software projects scale and become more complex.

OpenAI

Venture Round in 2021
OpenAI is an AI research and deployment company that develops general-purpose artificial intelligence technologies and applies them to real-world problems. It conducts machine learning research and builds systems such as large-scale language models, multimodal input handling, and code generation to support automation, data analysis, content generation, and interactive problem solving across industries including technology, healthcare, and education. The organization offers platforms and APIs that enable enterprises, developers, and researchers to build, test, and deploy intelligent systems, with plug-in extensibility and ongoing model updates to improve performance and safety.

Parsec Cloud

Series B in 2020
Parsec Cloud is a company that provides a cloud-based platform for low-latency gameplay streaming and remote access. It enables users to connect to their work, games, and social interactions from any device, facilitating collaboration and creativity across various industries such as gaming, animation, film, and architecture. Parsec for Teams is a specialized service that allows artists, developers, and designers to utilize powerful PCs and virtual machines remotely, enhancing productivity and teamwork. The platform supports high-quality streaming with features like 60FPS+ and 4K resolution, making it popular among millions of users who wish to access their games and collaborate in real-time with friends and colleagues. Through its innovative solutions, Parsec Cloud is redefining the way people interact with technology and each other, regardless of their physical location.

Tecton

Series B in 2020
Tecton offers an enterprise-grade feature store, empowering businesses to harness machine learning effectively. Its platform addresses unique ML data requirements, enabling teams to build, serve, and scale features swiftly and reliably.

Usermind

Series C in 2020
Usermind, Inc. is a technology company that specializes in creating a unified orchestration platform aimed at enhancing business operations and customer experiences. Founded in 2013 and headquartered in Seattle, Washington, Usermind addresses the challenges posed by siloed enterprise systems and fragmented customer data. Its platform integrates various SaaS applications and on-premise systems, facilitating entity mapping and the automation of complex customer journeys. By providing a customer data platform alongside a customer journey orchestration engine and analytics capabilities, Usermind enables organizations to deliver data-driven, omnichannel engagement throughout the customer lifecycle. This comprehensive approach empowers businesses to increase revenue, enhance customer engagement, and optimize costs.

Anyscale

Series B in 2020
Anyscale develops and operates distributed programming platforms for simplifying distributed AI development. It offers Ray, an open-source framework enabling software developers and machine learning engineers to scale applications effortlessly from a laptop to the cloud.

PatientPing

Series C in 2020
PatientPing, Inc. is a health technology company that has developed a national care coordination network aimed at enhancing communication among healthcare providers. Founded in 2013 and headquartered in Boston, Massachusetts, the company offers real-time notifications and care guidelines to various healthcare professionals, including physicians, nurses, case managers, and care coordinators. This network spans hospitals, emergency departments, accountable care organizations, physician practices, skilled nursing facilities, home health agencies, and payers. PatientPing's platform includes a tool called Spotlights, which leverages real-time data to analyze utilization and performance trends in patient care. By improving information sharing among care teams, PatientPing facilitates higher quality, cost-effective care, ultimately aiming to enhance patient outcomes and experiences. The company also maintains a strategic partnership with MedAllies, Inc. and operates as a subsidiary of SVB Leerink Holdings LLC.

NEAR

Initial Coin Offering in 2020
NEAR is a blockchain platform that enables developers to build, deploy, and run decentralized applications. It offers NEAR Protocol, a scalable smart contract platform with decentralized storage and compute capabilities, along with developer tools such as documentation, wallet, studio, and explorer. The platform supports a broad ecosystem of components and aims to bridge the adoption gap for mainstream software by refining the development experience and enabling agents and clients to own assets, make decisions, and transact across networks. NEAR was founded in 2017 and is headquartered in California.

Tecton

Series A in 2020
Tecton offers an enterprise-grade feature store, empowering businesses to harness machine learning effectively. Its platform addresses unique ML data requirements, enabling teams to build, serve, and scale features swiftly and reliably.

Alluxio

Series B in 2020
Alluxio provides a memory-centric distributed storage system that bridges applications with underlying storage systems, offering unified data access. It was founded in 2015 by the creators of Alluxio (formerly Tachyon), an open-source project from UC Berkeley AMPLab.

Anyscale

Series A in 2019
Anyscale develops and operates distributed programming platforms for simplifying distributed AI development. It offers Ray, an open-source framework enabling software developers and machine learning engineers to scale applications effortlessly from a laptop to the cloud.

Imply

Series B in 2019
Imply, founded by the original creators of Apache Druid, offers a comprehensive real-time analytics platform that leverages the capabilities of Apache Druid, an open-source database optimized for event-driven and streaming data. The company's multi-cloud platform enables organizations to ingest and visualize petabyte-scale datasets in real-time, facilitating monitoring, alerting, and diagnostics with sub-second query response times. This innovative approach, termed analytics-in-motion, allows businesses to transition from traditional, static analytics solutions to interactive and highly scalable options. Imply serves a diverse clientele, including some of the world's largest and most innovative companies, providing tools for building analytics-powered applications and addressing various business intelligence and operational analytics needs. With a presence in North America, Europe, and Asia Pacific, Imply is at the forefront of a new category of real-time analytics solutions.

Databricks

Series F in 2019
Databricks offers a unified data analytics platform that simplifies data integration, enables real-time experimentation, and facilitates robust deployment of production applications for developers and data scientists. Serving diverse industries worldwide, Databricks' platform supports collaborative data science, machine learning workflows, and integrates with various cloud services.

Substack

Series A in 2019
Substack operates a subscription-based publishing platform that enables writers to create, publish, and monetize newsletters. The platform supports both free and paid subscriptions and allows content to be published to a reader email list and a website. It includes editing tools and templates to design newsletters and handles subscriber payments, aiming to simplify monetization and direct engagement between writers and readers. Substack focuses on selling subscriptions without advertisements, helping independent writers build audience relationships and revenue streams. The company was founded in 2017 and is based in San Francisco, California.

Apollo GraphQL

Series C in 2019
Apollo GraphQL provides an open-source GraphQL platform and commercial technologies that help teams build, test, and ship APIs across applications. The platform reduces boilerplate code, accelerates delivery by enabling frontend and mobile features to stay in sync with backend services, and supports scalable API development. Its Apollo GraphOS suite includes a self-service supergraph that links multiple backend services into a unified, scalable API, facilitating faster experimentation and deployment. The company serves major brands such as Netflix, Snap, and The New York Times, handling more than five trillion requests in 2023 and enabling personalized, omnichannel experiences. Based in San Francisco, Apollo GraphQL is used by developers to streamline API workflows across organizations.

SignalFx

Series E in 2019
SignalFx, Inc. is a provider of cloud monitoring solutions designed to detect and analyze anomalies across infrastructure, applications, and business service level agreements (SLAs). Founded in 2013 and headquartered in San Mateo, California, with additional offices in London and Krakow, the company offers a modern monitoring platform that streams real-time analytics, allowing for immediate insights into issues as they arise. Utilizing its proprietary SignalFlow technology, SignalFx processes and analyzes data in real time, enabling organizations to replace traditional monitoring tools with its scalable architecture optimized for cloud environments and microservices. The platform includes advanced features such as proactive alerting, powerful visualization, and collaborative troubleshooting, empowering DevOps teams to quickly identify and resolve problems. SignalFx serves a diverse range of clients in various sectors, including technology, finance, and retail, and operates as a subsidiary of Splunk Inc. since October 2019.

Synapse

Series B in 2019
Synapse is a banking platform that allows companies to offer financial products to their customers at a lower cost than traditional banks. Founded in 2014 and headquartered in San Francisco, the company provides a range of services, including payment, deposit, lending, and investment products, all delivered through application programming interfaces (APIs). This enables fintech companies to create and launch their own financial innovations using Synapse's banking infrastructure. By facilitating collaboration among fintech firms, Synapse supports the development of advanced financial technologies, making it easier for clients to enter the market with their banking products.

PlanetScale

Series A in 2019
PlanetScale designs and develops an online database platform that enables businesses to operationalize Vitess for protecting, accessing, and deriving insights from their data. It offers a Database-as-a-service platform, cluster manager software licenses, open-source Vitess support, training solutions, and PlanetScaleDB for vendor lock prevention, data locality, disaster recovery, MySQL compatibility, scaling, and control plane deployment.

Databricks

Series E in 2019
Databricks offers a unified data analytics platform that simplifies data integration, enables real-time experimentation, and facilitates robust deployment of production applications for developers and data scientists. Serving diverse industries worldwide, Databricks' platform supports collaborative data science, machine learning workflows, and integrates with various cloud services.

Alluxio

Series B in 2019
Alluxio provides a memory-centric distributed storage system that bridges applications with underlying storage systems, offering unified data access. It was founded in 2015 by the creators of Alluxio (formerly Tachyon), an open-source project from UC Berkeley AMPLab.

Pietra

Seed Round in 2019
Pietra is an integrated digital commerce platform that helps independent brand owners manage product lifecycles—from design and sourcing to manufacturing, logistics, and online selling. The solution connects designers and customers for custom pieces and provides a centralized system for brand management, access to a network of vetted production facilities, specialized logistics for order processing and shipping, and tools for content creation and distribution to support launching and scaling products on a global e-commerce network.

Plaid

Series C in 2018
Plaid is a technology platform that provides APIs and developer tools to connect consumer bank accounts and financial data with applications. It enables developers to build modern financial services by offering infrastructure and intelligence tools that allow access to transactions, authentication for bank accounts, identity verification, real-time balances, asset verification, and income data. Its products include Transactions, Auth, Identity, Balance, Assets, and Income, supporting personal finance, consumer payments, lending, banking and brokerage, and business finance solutions. Plaid serves developers from startups to large financial institutions, helping democratize financial services with a developer-friendly experience. The company was founded in 2012 and is headquartered in San Francisco, California.

Tecton

Seed Round in 2018
Tecton offers an enterprise-grade feature store, empowering businesses to harness machine learning effectively. Its platform addresses unique ML data requirements, enabling teams to build, serve, and scale features swiftly and reliably.

Replit

Seed Round in 2018
Replit is a browser-based integrated development environment (IDE) founded in 2016. It enables collaborative coding across platforms using over 50 programming languages. Users can build apps and websites, share projects, create communal workspaces, and execute code via containers, all within a browser on any operating system.

DFINITY

Venture Round in 2018
DFINITY develops and operates a decentralized computing platform, Internet Computer, which hosts tamperproof software systems and services. It offers DFINITY Canister SDK for software development, ICP protocol for secure cloud functionality, and algorithmic governance via blockchain-based nervous system. Founded in Switzerland in 2014.

SignalFx

Series D in 2018
SignalFx, Inc. is a provider of cloud monitoring solutions designed to detect and analyze anomalies across infrastructure, applications, and business service level agreements (SLAs). Founded in 2013 and headquartered in San Mateo, California, with additional offices in London and Krakow, the company offers a modern monitoring platform that streams real-time analytics, allowing for immediate insights into issues as they arise. Utilizing its proprietary SignalFlow technology, SignalFx processes and analyzes data in real time, enabling organizations to replace traditional monitoring tools with its scalable architecture optimized for cloud environments and microservices. The platform includes advanced features such as proactive alerting, powerful visualization, and collaborative troubleshooting, empowering DevOps teams to quickly identify and resolve problems. SignalFx serves a diverse range of clients in various sectors, including technology, finance, and retail, and operates as a subsidiary of Splunk Inc. since October 2019.

D2iQ

Series D in 2018
D2iQ develops a datacenter operating system (DCOS) that spans various machines in a datacenter or cloud. It organizes infrastructure, provides scalable application deployment, and supports big data infrastructure on shared resources. D2iQ offers products like Mesosphere DCOS, Infinity, and Conductor, along with architectural consulting services.

Imply

Series A in 2018
Imply, founded by the original creators of Apache Druid, offers a comprehensive real-time analytics platform that leverages the capabilities of Apache Druid, an open-source database optimized for event-driven and streaming data. The company's multi-cloud platform enables organizations to ingest and visualize petabyte-scale datasets in real-time, facilitating monitoring, alerting, and diagnostics with sub-second query response times. This innovative approach, termed analytics-in-motion, allows businesses to transition from traditional, static analytics solutions to interactive and highly scalable options. Imply serves a diverse clientele, including some of the world's largest and most innovative companies, providing tools for building analytics-powered applications and addressing various business intelligence and operational analytics needs. With a presence in North America, Europe, and Asia Pacific, Imply is at the forefront of a new category of real-time analytics solutions.

DFINITY

Venture Round in 2018
DFINITY develops and operates a decentralized computing platform, Internet Computer, which hosts tamperproof software systems and services. It offers DFINITY Canister SDK for software development, ICP protocol for secure cloud functionality, and algorithmic governance via blockchain-based nervous system. Founded in Switzerland in 2014.

Usermind

Series C in 2018
Usermind, Inc. is a technology company that specializes in creating a unified orchestration platform aimed at enhancing business operations and customer experiences. Founded in 2013 and headquartered in Seattle, Washington, Usermind addresses the challenges posed by siloed enterprise systems and fragmented customer data. Its platform integrates various SaaS applications and on-premise systems, facilitating entity mapping and the automation of complex customer journeys. By providing a customer data platform alongside a customer journey orchestration engine and analytics capabilities, Usermind enables organizations to deliver data-driven, omnichannel engagement throughout the customer lifecycle. This comprehensive approach empowers businesses to increase revenue, enhance customer engagement, and optimize costs.

SignalFx

Series C in 2017
SignalFx, Inc. is a provider of cloud monitoring solutions designed to detect and analyze anomalies across infrastructure, applications, and business service level agreements (SLAs). Founded in 2013 and headquartered in San Mateo, California, with additional offices in London and Krakow, the company offers a modern monitoring platform that streams real-time analytics, allowing for immediate insights into issues as they arise. Utilizing its proprietary SignalFlow technology, SignalFx processes and analyzes data in real time, enabling organizations to replace traditional monitoring tools with its scalable architecture optimized for cloud environments and microservices. The platform includes advanced features such as proactive alerting, powerful visualization, and collaborative troubleshooting, empowering DevOps teams to quickly identify and resolve problems. SignalFx serves a diverse range of clients in various sectors, including technology, finance, and retail, and operates as a subsidiary of Splunk Inc. since October 2019.

Databricks

Series D in 2017
Databricks offers a unified data analytics platform that simplifies data integration, enables real-time experimentation, and facilitates robust deployment of production applications for developers and data scientists. Serving diverse industries worldwide, Databricks' platform supports collaborative data science, machine learning workflows, and integrates with various cloud services.

Improbable

Series B in 2017
Improbable is a London-based technology company founded in 2012 by Herman Narula and Rob Whitehead. It develops SpatialOS, a cloud-based platform that enables developers to build AI-powered, large-scale, persistent simulated worlds for gaming, entertainment, and industrial applications. The platform coordinates multiple servers in the cloud to simulate worlds far larger and more complex than a single server could handle. Improbable's solutions support immersive virtual environments and simulations across sectors such as defense, energy, city planning, health, and finance, and are aimed at unlocking new realities and solving real-world problems through realistic simulations.

Databricks

Series C in 2016
Databricks offers a unified data analytics platform that simplifies data integration, enables real-time experimentation, and facilitates robust deployment of production applications for developers and data scientists. Serving diverse industries worldwide, Databricks' platform supports collaborative data science, machine learning workflows, and integrates with various cloud services.

SnapLogic

Series F in 2016
SnapLogic is a cloud-based integration platform as a service (iPaaS) that provides an AI-powered Intelligent Integration Platform to connect data from any source, in any environment and at any speed. The platform enables unified data and application integration across applications, databases, data warehouses, big data streams, and IoT, whether on-premises or in the cloud, with a drag-and-drop interface and pre-built workflow templates. It supports procurement automation and spans domains such as human capital management, customer experience, finance, mergers and acquisitions, and cloud data warehousing. SnapLogic serves Global 2000 companies, developers, enterprise IT markets, HR, online marketing, and sales operations, often through resellers, and maintains partnerships with Planview and Solita Oy. The company is headquartered in San Mateo, California, with additional offices in New York, London, Hyderabad, and Melbourne.

PatientPing

Series B in 2016
PatientPing, Inc. is a health technology company that has developed a national care coordination network aimed at enhancing communication among healthcare providers. Founded in 2013 and headquartered in Boston, Massachusetts, the company offers real-time notifications and care guidelines to various healthcare professionals, including physicians, nurses, case managers, and care coordinators. This network spans hospitals, emergency departments, accountable care organizations, physician practices, skilled nursing facilities, home health agencies, and payers. PatientPing's platform includes a tool called Spotlights, which leverages real-time data to analyze utilization and performance trends in patient care. By improving information sharing among care teams, PatientPing facilitates higher quality, cost-effective care, ultimately aiming to enhance patient outcomes and experiences. The company also maintains a strategic partnership with MedAllies, Inc. and operates as a subsidiary of SVB Leerink Holdings LLC.

D2iQ

Series C in 2016
D2iQ develops a datacenter operating system (DCOS) that spans various machines in a datacenter or cloud. It organizes infrastructure, provides scalable application deployment, and supports big data infrastructure on shared resources. D2iQ offers products like Mesosphere DCOS, Infinity, and Conductor, along with architectural consulting services.

Usermind

Series B in 2016
Usermind, Inc. is a technology company that specializes in creating a unified orchestration platform aimed at enhancing business operations and customer experiences. Founded in 2013 and headquartered in Seattle, Washington, Usermind addresses the challenges posed by siloed enterprise systems and fragmented customer data. Its platform integrates various SaaS applications and on-premise systems, facilitating entity mapping and the automation of complex customer journeys. By providing a customer data platform alongside a customer journey orchestration engine and analytics capabilities, Usermind enables organizations to deliver data-driven, omnichannel engagement throughout the customer lifecycle. This comprehensive approach empowers businesses to increase revenue, enhance customer engagement, and optimize costs.

ItsOn

Series D in 2015
ItsOn, Inc. is a cloud-based software company that specializes in enhancing mobile service delivery for carriers and content providers. Founded in 2008 and headquartered in Redwood City, California, ItsOn offers a platform that enables real-time service customization, allowing mobile operators to tailor services to specific user demographics and device types. The platform provides consumers and enterprise managers with visibility and control over voice, text, and data usage, facilitating a direct-to-consumer approach. ItsOn's innovative solutions have made it a leader in the carrier space, with significant partnerships, including key accounts such as Sprint and Virgin Mobile. The company launched the first end-to-end solution for virtual policy and billing in 2014, positioning itself at the forefront of telecommunications innovation. ItsOn serves a diverse clientele, including mobile operators, OEMs, retailers, and consumers both in the United States and internationally.

Platfora

Series C in 2015
Platfora is a developer of data-management software that focuses on helping businesses process and interpret large volumes of data. Its Big Data Analytics Platform simplifies the complexities associated with Hadoop, allowing customers to gain insights into their business by visualizing events, actions, and behaviors over time. The platform aims to empower organizations to transition into fact-based enterprises by making data more accessible and comprehensible, thereby facilitating informed decision-making and strategic planning.

Meteor Software

Series B in 2015
Meteor Development Group Inc. operates Meteor, an open-source JavaScript application platform designed for software developers to create web and mobile applications. The platform provides data hosting capabilities, allowing companies to develop real-time applications utilizing modern API technologies. Founded in 2011 and headquartered in San Francisco, California, the company aims to simplify the application development process, making it more accessible to a broader audience. Meteor's commitment to enhancing developer experience is reflected in its flexible and remote-first work culture, fostering a collaborative environment among its global team.

Improbable

Series A in 2015
Improbable is a London-based technology company founded in 2012 by Herman Narula and Rob Whitehead. It develops SpatialOS, a cloud-based platform that enables developers to build AI-powered, large-scale, persistent simulated worlds for gaming, entertainment, and industrial applications. The platform coordinates multiple servers in the cloud to simulate worlds far larger and more complex than a single server could handle. Improbable's solutions support immersive virtual environments and simulations across sectors such as defense, energy, city planning, health, and finance, and are aimed at unlocking new realities and solving real-world problems through realistic simulations.

Alluxio

Series A in 2015
Alluxio provides a memory-centric distributed storage system that bridges applications with underlying storage systems, offering unified data access. It was founded in 2015 by the creators of Alluxio (formerly Tachyon), an open-source project from UC Berkeley AMPLab.

Distelli

Series A in 2015
Distelli, Inc., founded in 2013 and based in Seattle, Washington, provides a deployment platform called Distelli for developers. This platform enables users to set up any server and deploy application codes, databases, and configuration files across various public and private clouds or on-premises servers. It offers features such as an audit trail of previous deployments and the ability to rollback to a previous stable version. The company's solution supports continuous integration, delivery, and server management, facilitating efficient DevOps pipelines. Distelli operates as a subsidiary of Puppet, Inc.

SignalFx

Series B in 2015
SignalFx, Inc. is a provider of cloud monitoring solutions designed to detect and analyze anomalies across infrastructure, applications, and business service level agreements (SLAs). Founded in 2013 and headquartered in San Mateo, California, with additional offices in London and Krakow, the company offers a modern monitoring platform that streams real-time analytics, allowing for immediate insights into issues as they arise. Utilizing its proprietary SignalFlow technology, SignalFx processes and analyzes data in real time, enabling organizations to replace traditional monitoring tools with its scalable architecture optimized for cloud environments and microservices. The platform includes advanced features such as proactive alerting, powerful visualization, and collaborative troubleshooting, empowering DevOps teams to quickly identify and resolve problems. SignalFx serves a diverse range of clients in various sectors, including technology, finance, and retail, and operates as a subsidiary of Splunk Inc. since October 2019.

D2iQ

Series B in 2014
D2iQ develops a datacenter operating system (DCOS) that spans various machines in a datacenter or cloud. It organizes infrastructure, provides scalable application deployment, and supports big data infrastructure on shared resources. D2iQ offers products like Mesosphere DCOS, Infinity, and Conductor, along with architectural consulting services.

SnapLogic

Series D in 2014
SnapLogic is a cloud-based integration platform as a service (iPaaS) that provides an AI-powered Intelligent Integration Platform to connect data from any source, in any environment and at any speed. The platform enables unified data and application integration across applications, databases, data warehouses, big data streams, and IoT, whether on-premises or in the cloud, with a drag-and-drop interface and pre-built workflow templates. It supports procurement automation and spans domains such as human capital management, customer experience, finance, mergers and acquisitions, and cloud data warehousing. SnapLogic serves Global 2000 companies, developers, enterprise IT markets, HR, online marketing, and sales operations, often through resellers, and maintains partnerships with Planview and Solita Oy. The company is headquartered in San Mateo, California, with additional offices in New York, London, Hyderabad, and Melbourne.

Parsable

Seed Round in 2014
Parsable, Inc. is a technology company based in San Francisco, California, specializing in workflow management solutions for industrial sectors, including consumer packaged goods, manufacturing, and energy. The company offers the Parsable Connected Worker Platform, which transforms static, paper-based procedures into mobile and interactive work instructions. This platform allows industrial workers to utilize multimedia formats and collaborate in real-time, improving productivity, quality, and safety. Additionally, Parsable's solutions facilitate the collection of operational data, enabling organizations to gain insights into human work activities and enhance efficiency through data analysis, change tracking, and process training. Founded in 2013 and originally known as Wearable Intelligence, Inc., Parsable has expanded its presence with offices in Austin, Texas; Vancouver, Canada; and Kildare, Ireland.

Databricks

Series B in 2014
Databricks offers a unified data analytics platform that simplifies data integration, enables real-time experimentation, and facilitates robust deployment of production applications for developers and data scientists. Serving diverse industries worldwide, Databricks' platform supports collaborative data science, machine learning workflows, and integrates with various cloud services.

D2iQ

Series A in 2014
D2iQ develops a datacenter operating system (DCOS) that spans various machines in a datacenter or cloud. It organizes infrastructure, provides scalable application deployment, and supports big data infrastructure on shared resources. D2iQ offers products like Mesosphere DCOS, Infinity, and Conductor, along with architectural consulting services.

Platfora

Series C in 2014
Platfora is a developer of data-management software that focuses on helping businesses process and interpret large volumes of data. Its Big Data Analytics Platform simplifies the complexities associated with Hadoop, allowing customers to gain insights into their business by visualizing events, actions, and behaviors over time. The platform aims to empower organizations to transition into fact-based enterprises by making data more accessible and comprehensible, thereby facilitating informed decision-making and strategic planning.

CoreOS

Seed Round in 2013
CoreOS, Inc. is a technology company that specializes in open source projects for Linux containers and Internet security software solutions. Founded in 2012 and based in San Francisco, with additional offices in New York City and a development hub in Berlin, CoreOS is recognized for its contributions to the Kubernetes community. The company offers Tectonic, an enterprise-ready platform that enhances Kubernetes with features for secure container orchestration, and Quay, a private image registry for building, storing, and distributing containers. CoreOS also provides CoreUpdate, a tool for managing application updates, and maintains various open source projects, including CoreOS Linux, etcd, and rkt. These solutions address key challenges related to downtime, security, and resilience, enabling organizations to run their applications reliably in diverse environments. In 2018, CoreOS became a subsidiary of Red Hat, further bolstering its position in the cloud infrastructure landscape.

Databricks

Series A in 2013
Databricks offers a unified data analytics platform that simplifies data integration, enables real-time experimentation, and facilitates robust deployment of production applications for developers and data scientists. Serving diverse industries worldwide, Databricks' platform supports collaborative data science, machine learning workflows, and integrates with various cloud services.
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