Heavybit

Heavybit is an early-stage venture capital firm based in San Francisco, founded in 2012. It specializes in software and enterprise infrastructure, supporting technical startups from inception and helping them turn code into scalable businesses. The firm emphasizes hands-on guidance and a community-driven approach, leveraging a network of technical founders and over 600 domain experts to help portfolio companies grow. Core focus areas include developer tooling such as DevSecOps, feature flagging, and AI-powered development tools, with the goal of building durable software platforms and ecosystems around developers.

Tom Drummond

Managing Director

James Lindenbaum

Co-Founder and General Partner

Jesse Robbins

General Partner

Joseph Ruscio

General Partner

Past deals in Open Source

Groundcover

Series B in 2025
Groundcover is an observability and monitoring platform for cloud-native environments, focusing on Kubernetes. The platform uses eBPF to collect and correlate system-level data in real time, enabling teams to visualize metrics, logs, and traces from various sources. It provides detailed dashboards to help users interpret complex data for monitoring and analysis across modern production environments. Groundcover integrates with existing tools and operates without requiring code changes, supporting operations teams in detecting and resolving issues across cloud environments efficiently.

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Seed Round in 2023
A technology company specializing in AI-powered software development tools. It is renowned for its open-source AI code assistant, designed to accelerate coding processes by offering customizable, learning-based solutions.

Groundcover

Series A in 2022
Groundcover is an observability and monitoring platform for cloud-native environments, focusing on Kubernetes. The platform uses eBPF to collect and correlate system-level data in real time, enabling teams to visualize metrics, logs, and traces from various sources. It provides detailed dashboards to help users interpret complex data for monitoring and analysis across modern production environments. Groundcover integrates with existing tools and operates without requiring code changes, supporting operations teams in detecting and resolving issues across cloud environments efficiently.

Groundcover

Series A in 2022
Groundcover is an observability and monitoring platform for cloud-native environments, focusing on Kubernetes. The platform uses eBPF to collect and correlate system-level data in real time, enabling teams to visualize metrics, logs, and traces from various sources. It provides detailed dashboards to help users interpret complex data for monitoring and analysis across modern production environments. Groundcover integrates with existing tools and operates without requiring code changes, supporting operations teams in detecting and resolving issues across cloud environments efficiently.

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.

Orbit

Series A in 2021
Orbit is a platform that facilitates community-driven growth for businesses by tracking and measuring community activity across various tools and channels.

Orbit

Seed Round in 2020
Orbit is a platform that facilitates community-driven growth for businesses by tracking and measuring community activity across various tools and channels.

Orbit

Pre Seed Round in 2019
Orbit is a platform that facilitates community-driven growth for businesses by tracking and measuring community activity across various tools and channels.

Snyk

Series A in 2018
Snyk Ltd., established in 2015, specializes in a Software as a Service (SaaS) platform that enhances application security. It focuses on identifying, rectifying, and monitoring known vulnerabilities across critical components of modern applications, including code, open-source libraries, containers, and infrastructure as code. Snyk's offerings, such as Snyk Code (static application security testing), container vulnerability management, and application security management, integrate seamlessly with developers' workflows, improving security posture, productivity, and collaboration. With over 1,200 global customers, including industry leaders like Google and Salesforce, Snyk is recognized for its developer-first approach and strategic partnerships.

Snyk

Series B in 2018
Snyk Ltd., established in 2015, specializes in a Software as a Service (SaaS) platform that enhances application security. It focuses on identifying, rectifying, and monitoring known vulnerabilities across critical components of modern applications, including code, open-source libraries, containers, and infrastructure as code. Snyk's offerings, such as Snyk Code (static application security testing), container vulnerability management, and application security management, integrate seamlessly with developers' workflows, improving security posture, productivity, and collaboration. With over 1,200 global customers, including industry leaders like Google and Salesforce, Snyk is recognized for its developer-first approach and strategic partnerships.

LightStep

Venture Round in 2016
LightStep Inc., established in 2013 and based in San Francisco, specializes in application performance management (APM) software solutions. The company's flagship product, LightStepPM, monitors and manages the performance of production systems at scale, providing real-time insights into end-to-end system behavior and interactions across organizational boundaries. It offers features such as SAML support, flexible data scrubbing, and is built on open standards. LightStep aims to deliver confidence in software application management by analyzing 100% of unsampled transaction data, accelerating root cause analysis for complex systems.

Convox

Venture Round in 2015
Convox, Inc. is a Platform as a Service (PaaS) provider founded in 2015 and based in Marietta, Georgia. The company offers an open-source application deployment platform that allows developers to build, deploy, and manage applications using Kubernetes within their own Amazon Web Services accounts. Designed by former Heroku engineers and backed by Y Combinator, Convox supports all major cloud environments, including AWS, Google Cloud, Digital Ocean, and Azure. Its platform features automated workflows, role-based access control, and comprehensive visibility across clouds, enabling software organizations to simplify their infrastructure. Convox serves a diverse clientele, ranging from startups to multinational enterprises, providing a portable and adaptable solution that integrates seamlessly with various development frameworks and programming languages.

Gradle Enterprise

Venture Round in 2014
Gradle Inc. is a company that specializes in enhancing developer productivity through its innovative software solutions, notably Develocity, which was formerly known as Gradle Enterprise. The firm is also the creator of the widely used open-source Gradle Build Tool, which sees over 30 million downloads each month. Gradle is at the forefront of Developer Productivity Engineering (DPE), a practice adopted by prominent organizations such as Airbnb, LinkedIn, Microsoft, Nasdaq, and Netflix. These elite teams utilize Develocity’s advanced technologies and analytics to accelerate build and test performance, thereby improving the reliability of their developer toolchains and streamlining the troubleshooting of failures. By automating and unifying the build processes, Gradle enables enterprises to effectively build, deliver, and maintain complex applications, thereby enhancing their capability to ship software efficiently and cost-effectively.

Meteor Software

Venture Round in 2014
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.

LightTable

Venture Round in 2013
Light Table is an innovative interactive integrated development environment (IDE) that allows users to modify running programs in real time. This platform enables developers to embed various elements, including websites and games, directly into their code. With a focus on enhancing the coding experience, Light Table offers features like inline evaluation and customizable plugins, which facilitate efficient code writing and better understanding of program functionality. By providing immediate feedback, Light Table helps users answer questions about their code and gain deeper insights into how their programs operate.
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