Heavybit

Heavybit is a venture fund and accelerator based in San Francisco that focuses on supporting seed and Series A developer and enterprise companies. It offers a structured nine-month program designed to help these companies scale their go-to-market strategies. Through a combination of tailored strategic and operational planning, structured weekly mentorship, and differentiated capital, Heavybit aims to facilitate the success of founders in the software sector. The organization is backed by a partnership of domain experts and a supportive community, providing the resources and guidance necessary for companies to achieve significant growth and market impact.

Tom Drummond

Co-Founder & Managing Director

44 past transactions

Tailscale

Series B in 2022
Tailscale Inc. is a company that develops virtual private network (VPN) software designed to enhance network security for teams of various sizes. Founded in 2019 and based in Toronto, Canada, Tailscale enables remote work by facilitating secure connections between authorized devices using a peer-to-peer mesh architecture. This approach reduces latency and improves reliability, while also simplifying VPN setup by integrating with existing identity providers like GSuite and Office365. Tailscale's solutions cater to a diverse clientele, including hobbyists, network administrators, banks, hospitals, and startups, ensuring that applications remain secure regardless of the user's location.

Radar

Series C in 2022
Radar Labs, Inc. specializes in location data infrastructure, providing a comprehensive toolkit for developers to create location-aware applications. Founded in 2016 and based in Brooklyn, New York, the company enables businesses to harness location data through its platform, which supports features such as geofencing, place detection, and travel context detection. Radar’s offerings include mobile SDKs, APIs, and server-side integrations, allowing seamless connectivity with popular marketing and analytics tools. The platform also includes new APIs currently in private beta, which facilitate geocoding, location-based searches, and distance calculations. By empowering growth and product teams, Radar helps enhance user experiences with location-based services and insights.

Apollo

Series D in 2021
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.

Replicated

Series C in 2021
Replicated extends an existing cloud based SaaS product into a version that is easily installed, licensed, managed & supported in their customers' private environment (on-prem data center or private cloud). Unlike current substitutes (VMs), we do this without the SaaS vendor needing to maintain a secondary product/code base, or build licensing/updating/support features unnecessary for the public cloud version.

Sanity

Series B in 2021
Sanity is a software platform designed for delivering structured content to products and devices. It lets people create completely custom interfaces and content workflows while Sanity’s real-time API lets you deliver content from a single source to any channel, device, or product. Sanity was founded in Norway and has offices in Oslo and San Francisco

Aserto

Seed Round in 2021
Aserto is the definitive developer API for enterprise-grade authorization.

Blockdaemon

Series A in 2021
Blockdaemon Inc. is a blockchain node management platform that enables businesses, enterprises, and developers to efficiently deploy and manage blockchain applications. The company provides tools for exchanges, custodians, financial institutions, and developers to operate nodes across more than 30 blockchain protocols, including Bitcoin, Ethereum, and Polkadot. Blockdaemon's solution is designed for easy portability, allowing users to switch between networks seamlessly without the need for complex configurations. Founded in 2013 and originally known as Trak Inc., Blockdaemon has its headquarters in Brooklyn, New York, with additional offices in Los Angeles, California, and Ireland. The company supports the blockchain developer ecosystem by offering expert advice in development operations.

Jeli

Seed Round in 2020
Jeli, Inc. is a San Francisco-based company founded in 2019 that specializes in incident analysis through its innovative platform. This platform automatically aggregates data from various sources, including emails, Slack channels, PagerDuty, Zoom recordings, and logs, providing engineers with valuable insights to better understand and address incidents. Jeli's approach transcends the traditional focus on technical errors by also considering critical aspects such as team coordination and human factors, which are often neglected in incident analysis. By integrating seamlessly with existing tools, Jeli aims to enhance collaboration and communication between engineering and business units, ultimately delivering more proactive solutions to identify and resolve problems.

Tailscale

Series A in 2020
Tailscale Inc. is a company that develops virtual private network (VPN) software designed to enhance network security for teams of various sizes. Founded in 2019 and based in Toronto, Canada, Tailscale enables remote work by facilitating secure connections between authorized devices using a peer-to-peer mesh architecture. This approach reduces latency and improves reliability, while also simplifying VPN setup by integrating with existing identity providers like GSuite and Office365. Tailscale's solutions cater to a diverse clientele, including hobbyists, network administrators, banks, hospitals, and startups, ensuring that applications remain secure regardless of the user's location.

Replicated

Series B in 2020
Replicated extends an existing cloud based SaaS product into a version that is easily installed, licensed, managed & supported in their customers' private environment (on-prem data center or private cloud). Unlike current substitutes (VMs), we do this without the SaaS vendor needing to maintain a secondary product/code base, or build licensing/updating/support features unnecessary for the public cloud version.

Sanity

Series A in 2020
Sanity is a software platform designed for delivering structured content to products and devices. It lets people create completely custom interfaces and content workflows while Sanity’s real-time API lets you deliver content from a single source to any channel, device, or product. Sanity was founded in Norway and has offices in Oslo and San Francisco

Avo

Seed Round in 2020
Avo creates one source of truth for analytics events and generates personalized tracking libraries that give developers dev time validation that implementation is correct. Avo is a toolbox (UI and dev tool) to define event based analytics, and generate personalized tracking libraries that provide dev time validation of correct implementation. It's like a spell-checker for people to define quality data, and a type-checker for developers to make sure they send analytics according to design.

Avo

Seed Round in 2020
Avo creates one source of truth for analytics events and generates personalized tracking libraries that give developers dev time validation that implementation is correct. Avo is a toolbox (UI and dev tool) to define event based analytics, and generate personalized tracking libraries that provide dev time validation of correct implementation. It's like a spell-checker for people to define quality data, and a type-checker for developers to make sure they send analytics according to design.

Blockdaemon

Venture Round in 2020
Blockdaemon Inc. is a blockchain node management platform that enables businesses, enterprises, and developers to efficiently deploy and manage blockchain applications. The company provides tools for exchanges, custodians, financial institutions, and developers to operate nodes across more than 30 blockchain protocols, including Bitcoin, Ethereum, and Polkadot. Blockdaemon's solution is designed for easy portability, allowing users to switch between networks seamlessly without the need for complex configurations. Founded in 2013 and originally known as Trak Inc., Blockdaemon has its headquarters in Brooklyn, New York, with additional offices in Los Angeles, California, and Ireland. The company supports the blockchain developer ecosystem by offering expert advice in development operations.

Sanity

Seed Round in 2019
Sanity is a software platform designed for delivering structured content to products and devices. It lets people create completely custom interfaces and content workflows while Sanity’s real-time API lets you deliver content from a single source to any channel, device, or product. Sanity was founded in Norway and has offices in Oslo and San Francisco

CircleCI

Series D in 2019
CircleCI operates a continuous integration and delivery platform that streamlines the software development process for teams by automating building, testing, and deploying code. This modern platform enables developers to efficiently release reliable code for both web and mobile applications, allowing them to detect and rectify bugs before reaching end users. As software applications become increasingly complex, CircleCI helps maintain the necessary velocity for developers to thrive in a competitive market. Many prominent companies, including Facebook, Kickstarter, and Spotify, utilize CircleCI to enhance their code delivery processes and concentrate on generating business value. Founded in 2011 and based in San Francisco, CircleCI has a global remote workforce and is backed by several venture capital firms.

Avo

Venture Round in 2019
Avo creates one source of truth for analytics events and generates personalized tracking libraries that give developers dev time validation that implementation is correct. Avo is a toolbox (UI and dev tool) to define event based analytics, and generate personalized tracking libraries that provide dev time validation of correct implementation. It's like a spell-checker for people to define quality data, and a type-checker for developers to make sure they send analytics according to design.

Radar

Series A in 2019
Radar Labs, Inc. specializes in location data infrastructure, providing a comprehensive toolkit for developers to create location-aware applications. Founded in 2016 and based in Brooklyn, New York, the company enables businesses to harness location data through its platform, which supports features such as geofencing, place detection, and travel context detection. Radar’s offerings include mobile SDKs, APIs, and server-side integrations, allowing seamless connectivity with popular marketing and analytics tools. The platform also includes new APIs currently in private beta, which facilitate geocoding, location-based searches, and distance calculations. By empowering growth and product teams, Radar helps enhance user experiences with location-based services and insights.

Avo

Seed Round in 2019
Avo creates one source of truth for analytics events and generates personalized tracking libraries that give developers dev time validation that implementation is correct. Avo is a toolbox (UI and dev tool) to define event based analytics, and generate personalized tracking libraries that provide dev time validation of correct implementation. It's like a spell-checker for people to define quality data, and a type-checker for developers to make sure they send analytics according to design.

Moesif

Seed Round in 2019
Moesif Inc. is a San Francisco-based company established in 2016 that specializes in debugging and error analysis for application programming interfaces (APIs). Its flagship platform, Moesif, provides a hosted service for logging and analyzing API requests, enabling users to gain in-depth visibility into API traffic, monitor errors, and identify patterns that may lead to issues. The platform is designed to assist product managers and businesses in understanding customer API usage, thereby enhancing developer experiences and driving greater business value. Moesif's solutions are utilized by notable organizations, including Radar, UPS, and Deloitte, to automate debugging processes and improve overall API performance.

TonicAI

Seed Round in 2018
TonicAI is a synthetic data platform that specializes in generating mock data that retains the essential characteristics of secure datasets. Founded in 2018 and based in San Francisco, with an additional office in Atlanta, the company creates synthetic data that maintains the structure, distributions, interdependencies, and statistical correlations of original data sets. This enables software engineers, data scientists, and business analysts to access usable data without violating privacy or compliance regulations. TonicAI's platform facilitates the transition from mock data to production data while ensuring data security through auditing features and human-readable fingerprints. By providing a solution that addresses privacy concerns, TonicAI empowers its users to conduct analytics and software development more effectively and securely.

Pusher

Series A in 2018
Pusher Ltd. is a company that offers a hosted API service designed to integrate real-time bi-directional functionality into web and mobile applications, as well as other internet-connected devices. Founded in 2011 and based in London, the company provides a suite of libraries, including a JavaScript client library tailored for web and HTML5 applications. Additionally, Pusher offers features such as authentication mechanisms for private channels, presence functionality to track online users, and tools for debugging applications. Pusher has operated as a subsidiary of MessageBird B.V. since December 2020.

Blockdaemon

Seed Round in 2018
Blockdaemon Inc. is a blockchain node management platform that enables businesses, enterprises, and developers to efficiently deploy and manage blockchain applications. The company provides tools for exchanges, custodians, financial institutions, and developers to operate nodes across more than 30 blockchain protocols, including Bitcoin, Ethereum, and Polkadot. Blockdaemon's solution is designed for easy portability, allowing users to switch between networks seamlessly without the need for complex configurations. Founded in 2013 and originally known as Trak Inc., Blockdaemon has its headquarters in Brooklyn, New York, with additional offices in Los Angeles, California, and Ireland. The company supports the blockchain developer ecosystem by offering expert advice in development operations.

Kloudless

Series A in 2018
Kloudless, Inc. is a developer of a cloud-based application programming interface (API) integration platform designed to simplify the integration of various business applications. By offering a unified interface, Kloudless allows developers to connect to over 100 software services, including cloud storage, customer relationship management, email, and project management, without the need to integrate each API individually. This approach reduces engineering overhead and accelerates time to market for its clients. The company's offerings include a range of tools such as connectors, file explorers, and real-time notifications, as well as Kloudless Enterprise, which enables secure deployment in private or cloud environments. Kloudless caters to software developers, independent software vendors, and OEM partners across diverse industries, including government, healthcare, and finance. Founded in 2011 and based in Berkeley, California, Kloudless also provides open-source software development kits in multiple programming languages, facilitating easy integration for its users.

CircleCI

Series C in 2018
CircleCI operates a continuous integration and delivery platform that streamlines the software development process for teams by automating building, testing, and deploying code. This modern platform enables developers to efficiently release reliable code for both web and mobile applications, allowing them to detect and rectify bugs before reaching end users. As software applications become increasingly complex, CircleCI helps maintain the necessary velocity for developers to thrive in a competitive market. Many prominent companies, including Facebook, Kickstarter, and Spotify, utilize CircleCI to enhance their code delivery processes and concentrate on generating business value. Founded in 2011 and based in San Francisco, CircleCI has a global remote workforce and is backed by several venture capital firms.

Memgraph

Seed Round in 2018
Memgraph offers a real-time graph database. It is a database which understands the relationships between its data points, generating meaning just like a human brain. It is built for the cloud, accessible and scalable for every technology innovator on Earth, and the is backend to the AI revolution.

Greta

Venture Round in 2017
Greta helps developers to shorten content load times, reduce buffering and increase content quality. This improves their product’s end user experience, especially during traffic spikes, which leads to higher conversion rates, more engaged users and a better bottom line. By using machine learning technology Greta analyzes network data in real-time, and automatically calculates the fastest route for the content to be delivered, which improves performance. Greta currently supports images, audio and video. The implementation takes a few minutes, and you can then easily make configurations in the UI and access your own dashboard to evaluate how your content delivery setup affects your end users’s experience.

Contentful

Venture Round in 2017
Contentful GmbH is a Berlin-based company that provides a cloud-based content management platform designed for web and mobile applications. Established in 2011, it enables enterprises to create and manage digital experiences across multiple channels with enhanced speed and scalability compared to traditional content management systems. Contentful consolidates content into a central hub, allowing it to be structured for various digital platforms while integrating seamlessly with numerous tools via open APIs. Notable clients include Spotify, Urban Outfitters, and The British Museum, who utilize Contentful’s platform to enhance their digital content strategies. The company also offers the Optimizely application, which allows developers to incorporate content experimentation features into their projects. In addition to its headquarters in Berlin, Contentful has offices in San Francisco and Denver.

TruSTAR

Series A in 2017
TruSTAR Technology, LLC specializes in providing a comprehensive threat intelligence platform designed to enhance cybersecurity operations. Founded in 2014 and headquartered in San Francisco, California, the company offers TruSTAR Enclave, a secure data repository for storing and managing sensitive events, along with solutions for fraud detection and phishing. The platform is API-first and cloud-native, allowing organizations to integrate internal and external data sources effectively. By enabling security teams to accelerate detection, incident response, and investigations, TruSTAR aims to improve decision-making and collaboration among security professionals. Through its innovative approach, TruSTAR fosters a flexible environment that reduces incident response times and enhances the overall management of security intelligence across enterprises.

TESTIM

Venture Round in 2016
Testim makes it easy for developers and testers to become automation experts, making quality an organization-wide initiative and powering developers to own code quality.

ReadMe

Venture Round in 2016
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.

NodeSource

Venture Round in 2016
NodeSource is The Node.js Company™. We are a technology company delivering enterprise-grade tools and software targeting the unique needs of running server-side JavaScript at scale.

Convox

Venture Round in 2015
Convox, Inc. is a company based in Marietta, Georgia, founded in 2015, that offers an open source Platform as a Service (PaaS) allowing users to build, deploy, and manage applications within their own Amazon Web Services (AWS) accounts. By streamlining infrastructure management, Convox enables developers to concentrate on coding rather than dealing with complex infrastructure challenges. This approach facilitates the deployment and scaling of applications, catering to the needs of developers looking for efficient solutions in application management.

LaunchDarkly

Venture Round in 2015
LaunchDarkly is a Feature Management Platform that enables software teams to enhance their development processes by utilizing feature flags, which allow for the safe deployment of new or risky code changes. By wrapping specific code sections with flags, teams can independently toggle features on or off, facilitating a practice known as "dark launching." This approach helps mitigate risks associated with software development and operations. The platform serves over 100 billion feature flags daily and offers Software Development Kits (SDKs) compatible with all major web and mobile platforms. Founded in 2014 and headquartered in California, LaunchDarkly is committed to building a diverse team to deliver robust products and services while fostering a supportive and fast-paced work environment.

Gradle Inc.

Venture Round in 2014
Gradle, Inc. consists of the Gradle Build Tool (www.gradle.org) and Gradle Enterprise (www.gradle.com). Gradle Build Tool is the most popular build tool for open source JVM projects on GitHub. It is downloaded on average more than 19 million times per month and has been counted in the Top 20 Most Popular Open Source Projects for IT by Techcrunch. Many popular open source projects are using Gradle, with Spring Boot, JUnit, and JetBrains (Kotlin) being a prominent examples. Gradle Enterprise is the first only software build performance acceleration and analytics platform. The most prestigious software development and build/test engineering teams in the world use Gradle Enterprise to cut build times in half and give developers back one day per week in lost productivity time. Gradle Enterprise is a self-hosted solution that leverages acceleration technologies to speed up the software build and test process and data analytics to make troubleshooting more efficient. It is a key enabling technology for the emerging discipline of Developer Productivity Engineering in both Gradle and Maven build environments.

Rainforest QA

Venture Round in 2014
Rainforest QA offers modern testing for web and mobile apps. The Rainforest platform delivers all the resources needed to do fast, efficient QA. Rainforest combines a massive crowd of human testers with algorithmic management and VMs to execute web and mobile regression testing for continuous deployment. The best dev teams from companies like Intuit, Consumer Affairs, Oracle, and IBM use Rainforest’s platform and API to execute and scale their QA activities more effectively.

OverOps

Venture Round in 2014
OverOps, Inc. owns and operates an online application monitoring and error analysis software platform that allows developers to detect and fix production errors in real-time. The company was formerly known as Takipi Ltd. and changed its name to OverOps, Inc. in August 2016. OverOps, Inc. was founded in 2011 and is based in Tel Aviv, Israel.

Apiary

Venture Round in 2013
Apiary.io is a hosted suite of tools that help companies build web APIs quickly, test & monitor them easily and document them effortlessly. It provides API owners with necessary infrastructure and helps them build relationship with their users. Core of the self-service solution is API Blueprint, an efficient format for describing an API, aspiring to define new gold standard for REST API development. The product uses this Blueprint to streamline adoption of new services and simplify integration to other systems.

Librato

Venture Round in 2013
Librato, Inc. is a San Francisco-based company that specializes in real-time cloud monitoring solutions. It offers a Software as a Service (SaaS) platform that enables users to visualize, analyze, and receive alerts on metrics from various sources. The platform supports unbounded data collection through turn-key integrations, collection agents, and language bindings, allowing users to aggregate and transform data for operational analytics. Librato's tools cater to a diverse range of users, including software engineers, data engineers, and executives, facilitating the correlation of different types of metrics such as website sign-ups and infrastructure performance. The company also fosters an active user community that develops connectors for existing open-source data collectors. Founded in 2002 and originally known as Evergrid, Librato became a subsidiary of SolarWinds, Inc. in 2015.

Keen

Venture Round in 2013
Keen is the embedded analytics API that makes shipping custom user-facing analytics easy and seamless. It develops tools and infrastructure to help developers deliver in-product analytics to their customers. Its platform can handle all aspects of event data management, from collection to application. Keen enables users to stream, store, query, and present data all in one place and get a competitive advantage over the competition. The company was founded in 2011 and is headquartered in San Antonio, Texas.

Runscope

Venture Round in 2013
Runscope Inc. develops tools to support the application development lifecycle. The company provides API monitoring, API testing, real-time traffic monitoring, and traffic logging and debugging solutions. It offers solutions for developers to monitor and manage APIs consumed in their mobile and web applications. The company was incorporated in 2013 and is based in San Francisco, California. As of September 28, 2017, Runscope Inc. operates as a subsidiary of CA, Inc.

Iron.io

Venture Round in 2013
Iron.io's event-driven computing platform delivers and processes 100s of millions of messages and tasks through IronMQ and IronWorker. Its asynchronous workloads operate in public and private clouds, on-premises, or hybrid environments. Iron.io's messaging queuing, task processing, and job scheduling solutions are used for event processing, transaction processing, mobile and IoT compute, microservices, and other asynchronous computing patterns within modern cloud applications.

PagerDuty

Venture Round in 2013
PagerDuty, Inc. operates a platform designed for real-time operations, providing solutions that enhance visibility and actionable intelligence throughout the incident lifecycle. Founded in 2009 and headquartered in San Francisco, the company combines digital signals from various software-enabled systems with human response data to coordinate effective team actions during critical disruptions. Its platform offers features such as event intelligence, incident response, on-call management, business visibility, and advanced analytics, catering to diverse industries including technology, telecommunications, retail, and financial services. PagerDuty serves over 10,000 global customers, empowering them to proactively manage incidents and enhance customer experience. The company has also partnered with Tata Consultancy Services to support digital transformation efforts across businesses.
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