SV Angel

SV Angel is a San Francisco-based seed fund founded by Ron Conway, specializing in early-stage investments primarily in the Internet software sector. Established in 1992, the firm distinguishes itself from traditional venture capital by adopting a portfolio approach, investing in a larger number of companies while refraining from taking board seats. This allows SV Angel to focus on providing extensive business development, financing, mergers and acquisitions, and strategic advice to its portfolio companies. Over the years, SV Angel has supported numerous high-profile startups, including Facebook, Google, and Airbnb. The firm continues to leverage its extensive network to facilitate growth and innovation within the companies it invests in, aiming to foster a thriving startup ecosystem across the United States.

Ron Conway

Founder and Managing Partner

Ronald Conway

Founder and Managing Partner

Topher Conway

Managing Partner

Sourav Gupta

Principal

Steven Lee

Partner

Robert Pollak

Partner

Beth Turner

Managing Partner - Seed

Past deals in Open Source

OpenAI

Venture Round in 2023
OpenAI is a non-profit artificial intelligence (AI) research company, associated with business magnate Elon Musk, that aims to carefully promote and develop friendly AI in such a way as to benefit, rather than harm, humanity as a whole. The organization aims to "freely collaborate" with other institutions and researchers by making its patents and research open to the public. The company is supported by over US$1 billion in commitments; however, only a tiny fraction of the $1 billion pledged is expected to be spent in the first few years. The founders are motivated in part by concerns about existential risk from artificial general intelligence.

Monaverse

Series A in 2022
Mona is building the tools and protocols to grow the open metaverse.

Canonic Security

Seed Round in 2022
Canonic Security is a software-as-a-service (SaaS) application security platform that focuses on enhancing the security of third-party applications and integrations. The platform continuously profiles applications and user accounts, identifying suspicious or non-compliant behavior to minimize the SaaS attack surface. By providing access intelligence and insights into vulnerabilities, Canonic Security enables security teams to quickly detect SaaS-native threats and respond effectively. Its comprehensive monitoring capabilities streamline the review process for applications, allowing organizations to safely leverage the benefits of a diverse app ecosystem while mitigating risks associated with third-party access.

Airbyte

Series B in 2021
Airbyte is an open-source data integration platform that facilitates the synchronization of data from various applications, APIs, and databases to data warehouses. The platform enables users to automate data pipelines using pre-built or custom connectors, allowing for efficient data consolidation and analytics. By providing a flexible and user-friendly solution, Airbyte helps businesses effectively gather and manage their data, even from users who employ ad-blocking tools. This functionality supports a wide range of data-driven decision-making processes across different industries.

Overwatch Research

Seed Round in 2021
Overwatch Research Limited, incorporated in 2017 and based in Belfast, United Kingdom, specializes in developing in-vivo tracking software tailored for preclinical laboratories. The company focuses on enhancing laboratory workflows for contract research organizations, pharmaceutical companies, and academic institutions. Its all-in-one experimental tracking software aims to streamline the management of scientific experiments, thereby saving time, reducing errors, and fostering collaboration among researchers. By automating various manual tasks associated with in-vivo study tracking, Overwatch Research enables scientists to produce reproducible research, ultimately transforming the landscape of scientific experimentation.

Infracost

Seed Round in 2021
Developer of a cost-estimating platform designed to use cloud infrastructure economically and efficiently. The company uses an open-source platform that will tell the user how much that change will cost, and by what percentage the bill will increase, enabling clients responsible for purchasing cloud resources to easily understand the cost implications.

Evidence

Pre Seed Round in 2021
Evidence is a developer of an open-source business intelligence platform that allows analysts to create reports and dashboards using a markup language. This innovative approach enables users to establish a trusted, version-controlled reporting system, enhancing the reliability and consistency of outputs. The platform's superset of markdown includes a growing library of components, such as charts and graphs, which support SQL analysts in delivering comprehensive business insights. By moving away from traditional drag-and-drop interfaces, Evidence's solution empowers users to efficiently build and manage their reporting processes.

SST

Seed Round in 2021
We are creating SST, the easiest way to build serverless applications. SST is an open source framework for serverless that allows you to make changes and test your Lambda functions live. We are also authors of the most widely read resource for building serverless applications.

Osmos

Series A in 2021
Osmos is on a mission to make cross-company data collaboration a simple, secure, and delightful experience. Powered by real-time data transformations, embeddable uploaders, and intuitive no-code experience for end-users, Osmos takes the pain out of importing and sharing data with external parties and systems. Osmos’s real time data transformation engine takes care of the problematic data/schema discrepancies. Powered by program synthesis, Osmos automatically learns complex transforms such as conditional logic, multi-column joins, splits, string/numeric manipulations, and validations, without the need for valuable engineers to “wrangle data”. Companies of all sizes use Osmos to streamline and simplify their data relationships with customers, vendors, and partners.

Airbyte

Series A in 2021
Airbyte is an open-source data integration platform that facilitates the synchronization of data from various applications, APIs, and databases to data warehouses. The platform enables users to automate data pipelines using pre-built or custom connectors, allowing for efficient data consolidation and analytics. By providing a flexible and user-friendly solution, Airbyte helps businesses effectively gather and manage their data, even from users who employ ad-blocking tools. This functionality supports a wide range of data-driven decision-making processes across different industries.

Airbyte

Series A in 2021
Airbyte is an open-source data integration platform that facilitates the synchronization of data from various applications, APIs, and databases to data warehouses. The platform enables users to automate data pipelines using pre-built or custom connectors, allowing for efficient data consolidation and analytics. By providing a flexible and user-friendly solution, Airbyte helps businesses effectively gather and manage their data, even from users who employ ad-blocking tools. This functionality supports a wide range of data-driven decision-making processes across different industries.

Rome

Seed Round in 2021
Developer of compiling software designed to bundle various software programming languages. The company's software unifies functionality, builds upon a shared base, and minimizes configurations, enabling developers with a cohesive experience for processing codes, displaying errors, parallelizing work, and caching.

Pyroscope

Seed Round in 2021
Pyroscope is a developer of an open-source continuous profiling platform that assists users in monitoring and debugging applications and APIs. The platform simplifies the identification of performance issues and bottlenecks in code through a user-friendly interface that requires minimal code integration. It provides tools for code editing, debugging, and sampling profiling, allowing developers to optimize application performance effectively. Additionally, Pyroscope enables users to create custom data storage engines for storing and analyzing profiling data, enhancing overall development efficiency.

Osmos

Series A in 2021
Osmos is on a mission to make cross-company data collaboration a simple, secure, and delightful experience. Powered by real-time data transformations, embeddable uploaders, and intuitive no-code experience for end-users, Osmos takes the pain out of importing and sharing data with external parties and systems. Osmos’s real time data transformation engine takes care of the problematic data/schema discrepancies. Powered by program synthesis, Osmos automatically learns complex transforms such as conditional logic, multi-column joins, splits, string/numeric manipulations, and validations, without the need for valuable engineers to “wrangle data”. Companies of all sizes use Osmos to streamline and simplify their data relationships with customers, vendors, and partners.

OpenSea

Series A in 2021
OpenSea operates as a peer-to-peer marketplace specializing in crypto collectibles and non-fungible tokens (NFTs). As the largest platform of its kind, OpenSea enables users to buy and sell a wide range of digital assets, including gaming items and virtual goods, all backed by blockchain technology. The marketplace employs smart contracts to facilitate secure transactions, enhancing user trust and safety. OpenSea plays a significant role in the burgeoning Web3 economy, supporting the growth of decentralized applications and digital assets. It also features an investment arm, OpenSea Ventures, which focuses on fostering innovation among new founders in the blockchain space.

Oso

Series A in 2021
Oso Security Inc. is an information technology company based in New York that specializes in backend infrastructure security software for developers. Founded in 2018, the company provides a platform that simplifies the integration of authorization into the software development process. Its software includes features for authentication, authorization, end-to-end encryption, and auditing, offering a consistent interface for core security controls. This enables developers to build and maintain secure infrastructure and applications efficiently. Oso Security Inc. was previously known as Keesh, Inc. and focuses on enhancing the security capabilities of businesses and organizations.

Infracost

Seed Round in 2021
Developer of a cost-estimating platform designed to use cloud infrastructure economically and efficiently. The company uses an open-source platform that will tell the user how much that change will cost, and by what percentage the bill will increase, enabling clients responsible for purchasing cloud resources to easily understand the cost implications.

Oso

Series A in 2020
Oso Security Inc. is an information technology company based in New York that specializes in backend infrastructure security software for developers. Founded in 2018, the company provides a platform that simplifies the integration of authorization into the software development process. Its software includes features for authentication, authorization, end-to-end encryption, and auditing, offering a consistent interface for core security controls. This enables developers to build and maintain secure infrastructure and applications efficiently. Oso Security Inc. was previously known as Keesh, Inc. and focuses on enhancing the security capabilities of businesses and organizations.

Metaphor

Seed Round in 2020
Provider of a search and discovery platform designed to access open-source projects. The company's platform combines in-class Technical Metadata with behavioral and social metadata built specifically for data scientists, data engineers, and AI practitioners, enabling data scientists, data engineers, and AI practitioners to access data in a hassle-free manner.

Splitgraph

Seed Round in 2020
Developer of an integrated data catalog software designed to combine data sources into reproducible data images. The company's indexes offer diverse data sources, including both live databases and versioned data snapshots which help users to connect to the data delivery network and build versioned datasets from data, enabling data scientists and engineers to create, share and extend datasets in a simple and reproducible way.

Isovalent

Series A in 2020
Isovalent is a cloud-native networking company based in Mountain View, California. Founded by long-time leaders in Linux networking, Isovalent develops enterprise open source software and commercial products that enable operators and security professionals to provide networking, security, and observability in distributed infrastructure such as Kubernetes. It specializes in the fields of cloud security, cybersecurity, and information technology. It was founded in 2017 and headquartered in Mountain View, California.

PostHog

Pre Seed Round in 2020
PostHog is increasing the number of successful products in the world. We do that by providing a platform for open-source product analytics. This helps software teams understand user behaviour. We took part in Y Combinator’s W20 cohort, and had the most successful B2B software launch on HackerNews since 2012, with a product that was just 4 weeks old. Our team is a combination of former CTOs and YC founders all turned developers, alongside some of the best developers from the world's largest tech companies who have the experience to help us handle scalability. We're all remote, and we've raised enough to pay top of market. We are proudly backed by some of the best VCs and Investors in the world, such as Y Combinator. We believe in product-led growth, while we build something awesome and let our product bring the users, rather than an outbound sales team and regular cold calls. Check out posthog.com/careers if you want to be part of this journey.

Open

Venture Round in 2019
Open operates a mediation studio that focuses on creating spaces for meditation and movement, promoting the mind-body connection. The company offers a platform that provides various wellness and fitness sessions, including meditation and training classes. By facilitating shared mindful experiences, Open aims to help individuals engage meaningfully with friends and community, both online and offline. Through its offerings, the company seeks to enhance overall well-being by providing a tranquil environment conducive to personal growth and mindfulness.

EdgeDB

Seed Round in 2019
Through streamlined data model and powerful query language, we make working with data productive, pleasant and efficient for developers and data engineers.

The Org

Seed Round in 2019
The Org is a professional community that focuses on creating and exploring organizational charts for both public and private companies. Founded in 2017 by Christian Wylonis and Andreas Jarbøl and based in New York, the platform aims to enhance transparency within organizations by allowing users to better understand their company's structure and the individuals within it. The Org provides a crowdsourced approach to designing management charts, which helps users stay informed about personnel changes, new hires, and promotions. This service enables clients to visualize and comprehend the managerial setup of enterprises clearly, fostering better internal communication and recognition for employees' contributions.

Opendoor

Series E in 2019
Opendoor operates an online real estate marketplace designed to simplify the home buying and selling process. Founded in 2014 and based in San Francisco, California, the platform allows sellers to receive offers without the need for listing or showing their homes, thereby eliminating the typical hassles associated with traditional sales. Buyers can browse available properties and gain instant access through the company's application, facilitating a seamless transaction experience. Opendoor generates revenue primarily from home sales, alongside additional income from various real estate services.

WorkOS

Seed Round in 2019
WorkOS, Inc. develops software solutions that enable enterprises to prepare their applications for business growth by providing essential pre-built features and integrations. Founded in 2018 and based in San Francisco, the company offers APIs that simplify the implementation of critical enterprise functionalities, such as Single Sign-On (SSO), directory syncing, audit trails, and access control. By integrating these features, WorkOS allows startups and other businesses to quickly become enterprise-ready, facilitating their ability to serve enterprise customers with minimal coding effort.

Buoyant

Series A in 2017
Buoyant, Inc. is a technology company based in San Francisco, California, founded in 2015 by former Twitter infrastructure engineers. The company specializes in developing open-source software, particularly through its flagship product, Linkerd, which is an open-source network proxy designed to function as a service mesh. A service mesh enables efficient management, control, and monitoring of service-to-service communication within cloud-native applications. Buoyant's offerings aim to enhance the speed, security, and reliability of applications, supporting various hosting activities such as web hosting and application service provisioning. The company is well-funded and has garnered backing from prominent investors, striving to provide robust capabilities to organizations seeking to improve their application infrastructure.

Parabol

Convertible Note in 2017
Parabol, Inc. is a company that specializes in developing an open-source meeting application tailored for remote and agile teams. Founded in 2015 and based in Alhambra, California, Parabol enables distributed teams to conduct meetings and retrospective sessions effectively, fostering collaboration regardless of location or time zone. The platform facilitates real-time or asynchronous interactions, allowing teams to generate automatic insights about their performance from online collaboration activities. Meeting notes and tasks are automatically compiled into summaries, which are shared with team members and stakeholders. Parabol also integrates with other tools like Jira, Confluence, GitHub, and Slack, enhancing productivity by streamlining workflows. Additionally, the application analyzes meeting data to provide valuable insights into team dynamics, helping organizations identify challenges and improve overall performance.

SigOpt

Series A in 2016
SigOpt, Inc. operates an optimization platform designed to enhance model development across various applications, including web, mobile, machine learning, and physical experiments. Established in 2014 and based in San Francisco, California, SigOpt provides a REST API that seamlessly integrates into existing machine learning workflows. The platform employs a black-box optimization approach, allowing users to input parameter spaces and performance metrics without needing to share underlying training data. By continuously refining its models, SigOpt suggests optimal hyper-parameter configurations, thereby accelerating the development process and improving the reliability of results. In 2020, SigOpt became a subsidiary of Intel Corporation, further strengthening its position in the market.

Metabase

Convertible Note in 2016
Developer of an open-source analytics and business intelligence platform designed to measure, analyze and share data to deal with the complexity. The company's platform offers a number of professional services like managed hosting, support and assistance with implementing a custom analytics or business intelligence setup, enabling businesses to observe data over time and see trends.

ReadMe

Seed Round in 2015
ReadMe.io Co. specializes in providing documentation services that enable companies to create and manage developer portals. Founded in 2014 and based in San Francisco, the company offers a range of features, including custom JavaScript and HTML solutions, user management, two-factor authentication, and documentation migration. Its platform allows users to develop comprehensive documentation, combining tutorials, topical guides, and API exploration to foster productive developer communities. Additionally, ReadMe provides tools for document collaboration, markdown-based editing, and versioning, ensuring that documentation remains current and accessible. The community-oriented features of the platform are designed to enhance user engagement and drive the adoption of products and services.

Buoyant

Venture Round in 2015
Buoyant, Inc. is a technology company based in San Francisco, California, founded in 2015 by former Twitter infrastructure engineers. The company specializes in developing open-source software, particularly through its flagship product, Linkerd, which is an open-source network proxy designed to function as a service mesh. A service mesh enables efficient management, control, and monitoring of service-to-service communication within cloud-native applications. Buoyant's offerings aim to enhance the speed, security, and reliability of applications, supporting various hosting activities such as web hosting and application service provisioning. The company is well-funded and has garnered backing from prominent investors, striving to provide robust capabilities to organizations seeking to improve their application infrastructure.

Cockroach Labs

Seed Round in 2015
Cockroach Labs, Inc. specializes in developing open-source database software, notably CockroachDB, which is a distributed SQL database tailored for modern cloud applications. Founded in 2015 and headquartered in New York, the company also has an office in Cambridge, Massachusetts. CockroachDB is designed to scale horizontally and can withstand various types of failures, including those at the disk, machine, rack, and datacenter levels, while maintaining minimal latency and no need for manual intervention. It supports strongly-consistent ACID transactions and offers an SQL API for data management. The software is suitable for diverse clients, ranging from startups to Fortune 500 companies, and is utilized for enterprise-grade disaster recovery services. CockroachDB combines the rich features of SQL with the scalability typically associated with NoSQL databases, enabling developers to innovate rapidly without compromising on consistency. The platform is trusted by major enterprises across various sectors, including finance, retail, and media.

Secret

Series B in 2014
Secret offers an online platform that enables users to share their personal secrets with other users anonymously. It owns and operates a mobile application that helps users to share and connect with friends. The company was founded in 2015 and is headquartered in San Francisco, California.

Opendoor

Series A in 2014
Opendoor operates an online real estate marketplace designed to simplify the home buying and selling process. Founded in 2014 and based in San Francisco, California, the platform allows sellers to receive offers without the need for listing or showing their homes, thereby eliminating the typical hassles associated with traditional sales. Buyers can browse available properties and gain instant access through the company's application, facilitating a seamless transaction experience. Opendoor generates revenue primarily from home sales, alongside additional income from various real estate services.

Sunrise

Seed Round in 2014
Sunrise is a free calendar app. Designed with love, Sunrise is a new experience that will make your life easier. Available on Android, iPhone, iPad & Web.

Secret

Series A in 2014
Secret offers an online platform that enables users to share their personal secrets with other users anonymously. It owns and operates a mobile application that helps users to share and connect with friends. The company was founded in 2015 and is headquartered in San Francisco, California.

Secret

Series A in 2014
Secret offers an online platform that enables users to share their personal secrets with other users anonymously. It owns and operates a mobile application that helps users to share and connect with friends. The company was founded in 2015 and is headquartered in San Francisco, California.

Secret

Seed Round in 2013
Secret offers an online platform that enables users to share their personal secrets with other users anonymously. It owns and operates a mobile application that helps users to share and connect with friends. The company was founded in 2015 and is headquartered in San Francisco, California.

Elastic

Series B in 2013
Elastic develops the open-source Elastic Stack, which includes Elasticsearch, Kibana, Beats, and Logstash, along with X-Pack, offering additional commercial features. The company also provides Elastic Cloud, a fully hosted and managed solution that supports search, logging, and analytics in a scalable and reliable manner. With over 250 million cumulative downloads, the Elastic Stack serves thousands of organizations, including notable names like Cisco, eBay, Goldman Sachs, NASA, and The New York Times, facilitating critical functions such as data search, logging, metrics, and security. Elastic is backed by significant investment from firms such as Benchmark Capital and Index Ventures, and it operates with more than 900 employees across 30 countries.

Periscope Data

Seed Round in 2012
Periscope Data Inc. is a data analytics and visualization platform founded in 2012 and headquartered in San Francisco, California. The company specializes in providing powerful analytics tools that allow users to ingest, store, analyze, visualize, and report on data from a single platform. Periscope Data's technology integrates directly with databases, enabling users to conduct analyses, create dashboards, and share insights without the need for complex programming or upfront modeling. The platform is designed for both data professionals and business users, facilitating quick access to insights that support data-driven decision-making. Trusted by over 1,000 customers, including major companies such as Adobe and EY, Periscope Data has demonstrated strong customer retention and engagement, with users reportedly spending significant time utilizing the platform. In May 2019, Periscope Data became a subsidiary of Sisense Inc., further enhancing its capabilities in the analytics space.

Discourse

Seed Round in 2012
Discourse is an open-source discussion platform designed to enhance online communication in a modern context. It serves multiple functions, operating as a mailing list, a discussion forum, and a long-form chat room. The platform is built from the ground up to address the needs of contemporary users who engage in discussions across various devices and social media. Discourse emphasizes searchable discussions, community moderation, and a trust system that encourages meaningful interactions among users. Its features enable individuals to connect with others, share ideas, and foster engaging conversations in a structured environment. By reimagining the approach to online discourse, Discourse aims to facilitate a more productive and inclusive dialogue for communities and organizations.

Open Air Publishing

Angel Round in 2012
Open Air Publishing Inc. publishes digital books for iPads. It designs how to books which allow readers to touch, watch, listen, read, and learn new skills. The books comprise The Better Bacon Book, Master Your DSLR Camera, Holiday Recipe and Survival Guide, and Speakeasy Cocktails. The company was founded in 2011 and is based in New York, New York.

GitHub

Series A in 2012
GitHub provides code hosting services that allow developers/people to build software for open source and private projects in organizations. It designs and develops an online platform to allows users to store and share codes repositories with friends, co-workers, classmates, and complete strangers. GitHub has a strategic partnership with International Business Machines Corporation. It was founded on February 29, 2008, by Chris Wanstrath, PJ Hyett, and Tom Preston-Werner, with its headquarters in San Francisco in California.

Flotype

Seed Round in 2012
Flotype Inc. is a venture-backed company building a suite of enterprise technology for real-time messaging. Flotype takes a unique approach by building developer-friendly technologies focused on ease-of-use and simplicity, while still exceeding enterprise-grade performance expectations. Flotype licenses enterprise-grade middleware, Bridge, to customers ranging from social web and software enterprises to financial and fleet management groups. Other offerings include NowJS, a free, open-source framework, for developers seeking real-time interactivity on Node.js and JavaScript browsers. NowCluster is available for companies seeking scalability and reliability for NowJS applications. Established in 2010 and based in Berkeley, California, Flotype is venture-backed by Andreessen Horowitz, Ignition Partners, InterWest Partners, and Salesforce.com.

Apollo GraphQL

Seed Round in 2011
Driving the momentum behind GraphQL, its Data Graph Platform helps developers, startups, and enterprises get the most out of GraphQL. Apollo builds open source tools and commercial services used by thousands of developers in production and has cultivated a strong community around GraphQL. With the Apollo Data Graph Platform, customers like Expedia, Airbnb, Audi, SurveyMonkey, and others rapidly implement GraphQL, consistent with industry best practices, providing their customers with the high-quality, personalized digital experiences they expect—on all of their devices. Based in San Francisco, Apollo is backed by Andreessen Horowitz, Matrix Partners, Webb Investment Network, and Trinity Ventures.

RethinkDB

Series A in 2011
RethinkDB is an open-source distributed database management platform tailored for the realtime web. It enables developers to create scalable applications efficiently by allowing the database to continuously push updated query results to applications, eliminating the need for constant polling. RethinkDB supports JSON document storage and features a user-friendly query language that facilitates complex operations such as table joins and grouping. With a highly parallelized architecture, the platform is designed for reliability across various workloads and edge cases, providing users with live statistics and complete visibility into their production clusters. This innovative approach helps developers build realtime applications more quickly and with fewer resources.

dotCloud

Series A in 2011
DotCloud is a 2nd-generation platform-as-a-service, and is the commercial entity behind Docker.io. Docker is an open source engine that makes it possible to pack, ship, and run any application as a lightweight container.

Docker

Series A in 2011
Docker, Inc. is a company that develops an open platform designed for building, shipping, and running distributed applications. This platform enables developers and system administrators to create and manage applications as collections of containers, which can operate seamlessly across various environments, including laptops, data center virtual machines, and public cloud instances. Docker also provides an application runtime and packaging tool, along with a cloud service that facilitates application sharing and workflow automation. Originally founded in 2008 as dotCloud, the company rebranded to Docker in October 2013 and is headquartered in San Francisco, California.

Hyperpublic

Seed Round in 2010
Hyperpublic is a local data platform that serves as an open database of people, places, and things associated with specific locations. Users can contribute information to the database, allowing for a collaborative accumulation of local data. This platform enables developers to create applications utilizing the extensive location-based information stored within it. Hyperpublic has since become part of Groupon, enhancing its capabilities in the local data space.

Opzi

Angel Round in 2010
Opzi was a knowledge management platform, styled as a "Quora for the enterprise," that became the First Round Network.

Open Places

Seed Round in 2010
Open Places is a company that develops a network of publication-quality information about various locations, created by writers and photographers worldwide. This information is designed to promote neighborhoods, towns, and regions of interest. The company has established social content platforms for both iOS and Android, which harness the enthusiasm of travelers and locals, integrating mobile actions with social media and facilitating communication through email and push notifications. Open Places also offers the Trazzler application, allowing users to discover nearby locations and engage collaboratively with editors to highlight places of interest. The company provides opportunities for writers and photographers to receive assignments, work with editors, and build professional portfolios. Open Places serves a diverse clientele, including nonprofits, public radio stations, parks, schools, and tourism bureaus. Originally known as Trazzler, Inc., the company was founded in 2008 and is headquartered in San Francisco, California.

Stack Overflow

Series A in 2010
Stack Overflow Ltd operates an online community tailored for developers and technologists, facilitating knowledge sharing and problem-solving in programming. The company provides several key services, including Stack Overflow for Teams, which supports mission-critical knowledge management, and Stack Overflow for Talent and Jobs, a platform designed for hiring and employer branding solutions within technology sectors. Additionally, Stack Overflow Advertising enables businesses to promote products and enhance brand visibility. For larger organizations, Stack Overflow Enterprise offers a secure environment for sharing and accessing essential company information. Founded in 2008 and based in London, United Kingdom, Stack Overflow Ltd was previously known as Stack Exchange Ltd.

RethinkDB

Seed Round in 2010
RethinkDB is an open-source distributed database management platform tailored for the realtime web. It enables developers to create scalable applications efficiently by allowing the database to continuously push updated query results to applications, eliminating the need for constant polling. RethinkDB supports JSON document storage and features a user-friendly query language that facilitates complex operations such as table joins and grouping. With a highly parallelized architecture, the platform is designed for reliability across various workloads and edge cases, providing users with live statistics and complete visibility into their production clusters. This innovative approach helps developers build realtime applications more quickly and with fewer resources.

Simperium

Seed Round in 2010
Simperium is a [Y Combinator](/organization/y-combinator)-funded company that builds a platform for syncing content among people and their devices. They released Simplenote as a showcase of this platform.

Adobe Fonts

Seed Round in 2009
Adobe Fonts allows subscribers to embed fonts into online documents and websites, as well as activate fonts on their desktop computers. It's a subscription-based service for linking to high-quality Open Type fonts from some of the worlds best type foundries. Their fonts are served from a global network on redundant servers, offering bulletproof service and incredible speed. Adobe Fonts is formerly Typekit, which was acquired by Adobe in 2011.

OpenSky

Series A in 2009
OpenSky Project, Inc. operates an online marketplace that connects merchants and shoppers, enabling users to shop and share a wide range of branded products across categories such as jewelry, home goods, beauty, apparel, electronics, and more. Founded in 2009 and headquartered in New York, the company has additional offices in various U.S. cities and in Romania. OpenSky aims to empower entrepreneurs by providing simple technology that enhances global trade, allowing small businesses to thrive. The platform also emphasizes social commerce, making transactions more immediate and interconnected. As a subsidiary of Alibaba Group, OpenSky plays a significant role in facilitating trade for hundreds of thousands of businesses, contributing to substantial annual sales. The company has been recognized for its innovative approach, appearing on notable lists such as Fast Company's World's 50 Most Innovative Companies and Forbes' America's Most Promising Companies.

Mint

Angel Round in 2006
Mint is a self-hosted web analytics program designed for simplicity and ease of use. It provides a flexible dashboard that allows users to monitor key metrics such as visits, referrers, popular pages, and search queries at a glance. In addition to its analytics capabilities, Mint also offers a free online personal finance service that enables users to track their bank accounts, credit cards, investments, and loans through a single interface. This functionality allows clients to review their transactions and monitor their spending effectively, supporting them in managing and growing their financial resources.

Opsware

Series A in 1999
Opsware, Inc. is a software company headquartered in Sunnyvale, California, specializing in data center automation and management solutions for enterprise customers, government agencies, and service providers. Originally founded as Loudcloud in 1999, the company shifted its focus to technology after divesting its managed services operations in 2002. Opsware developed software for automated server lifecycle management, enhancing efficiency in server and network device provisioning and configuration. Over the years, Opsware expanded its product offerings through strategic acquisitions, including Tangram Enterprise Solutions, Rendition Networks, CreekPath, and iConclude, which enriched its capabilities in asset management, network configuration, and run-book automation. In 2007, Opsware was acquired by HP for $1.6 billion, marking a significant milestone in its evolution as a key player in the software industry.
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