Spark Capital
Spark Capital is a venture capital firm founded in 2005 and based in San Francisco with offices in Boston and New York. It invests in startups across the United States, spanning early-stage to growth opportunities, focusing on software, internet, media, consumer products and services, fintech, and information technology. The firm backs companies across sectors such as software-as-a-service, digital media, online platforms, and technology-driven consumer products, often supporting ventures at the intersection of entertainment and technology, e-commerce, and education technology. It typically makes investments from formative rounds up to larger growth rounds, and seeks to take a board seat in portfolio companies to help guide strategy and growth. Notable investments include Twitter, Discord, Anthropic, Cruise, Niantic, Oculus, Warby Parker, and Tumblr, illustrating a history of backing influential products and teams.
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Past deals in Open Source
Chainguard
Series D in 2025
Chainguard specializes in enhancing software supply chain security. It offers hardened container images rebuilt continuously from source with built-in cryptographic signatures, SBOMs, and SLSA provenance. Additionally, Chainguard provides secure Java dependencies through its Chainguard Libraries. The company actively contributes to open-source projects, demonstrating its commitment to the community.
Chainguard
Series C in 2024
Chainguard specializes in enhancing software supply chain security. It offers hardened container images rebuilt continuously from source with built-in cryptographic signatures, SBOMs, and SLSA provenance. Additionally, Chainguard provides secure Java dependencies through its Chainguard Libraries. The company actively contributes to open-source projects, demonstrating its commitment to the community.
Qdrant
Series A in 2024
Qdrant develops an open-source vector database written in Rust, offering high-dimensional vector search capabilities. It enables applications for matching, searching, recommending, and more, using embeddings or neural network encoders. Additionally, Qdrant provides a managed cloud solution.
Chainguard
Series B in 2023
Chainguard specializes in enhancing software supply chain security. It offers hardened container images rebuilt continuously from source with built-in cryptographic signatures, SBOMs, and SLSA provenance. Additionally, Chainguard provides secure Java dependencies through its Chainguard Libraries. The company actively contributes to open-source projects, demonstrating its commitment to the community.
Unleash
Series A in 2022
Unleash is an open source feature management platform that helps developers and enterprises control the deployment and rollout of product features. The platform uses feature toggles to enable or disable features and supports experimentation by testing multiple variants, allowing controlled rollouts and A/B testing without impacting application performance.
Chronosphere
Series C in 2021
Chronosphere, Inc. is a technology company that specializes in developing an open-source metrics data platform known as M3. Founded in 2019 and headquartered in New York, the company has additional offices in Seattle, Vilnius, and Warsaw. Chronosphere's platform provides comprehensive monitoring solutions for infrastructure, applications, and business metrics, enabling organizations to manage the complexities of cloud-native environments. By offering tools that help DevOps teams quickly identify and resolve issues across various layers of the technology stack, Chronosphere enhances operational reliability and supports data-driven decision-making. The platform is utilized by prominent brands to improve developer productivity, control costs, and enhance customer satisfaction.
SiFive
Series E in 2020
SiFive, Inc. is a semiconductor company that specializes in designing and manufacturing chips, particularly focusing on RISC-V architecture. Established in 2015 and headquartered in San Mateo, California, with additional offices in locations such as Oregon, Texas, India, Taiwan, and France, SiFive provides a range of products including multi-core application processors, embedded microcontrollers, and system-on-chip solutions tailored for various applications such as IoT and wearables. The company emphasizes the use of open-source technology to enable faster and more cost-effective hardware development. By offering software development kits, toolchains, and customized silicon products, SiFive aims to democratize access to advanced semiconductor solutions, accelerating innovation for businesses of all sizes.
SiFive
Series D in 2019
SiFive, Inc. is a semiconductor company that specializes in designing and manufacturing chips, particularly focusing on RISC-V architecture. Established in 2015 and headquartered in San Mateo, California, with additional offices in locations such as Oregon, Texas, India, Taiwan, and France, SiFive provides a range of products including multi-core application processors, embedded microcontrollers, and system-on-chip solutions tailored for various applications such as IoT and wearables. The company emphasizes the use of open-source technology to enable faster and more cost-effective hardware development. By offering software development kits, toolchains, and customized silicon products, SiFive aims to democratize access to advanced semiconductor solutions, accelerating innovation for businesses of all sizes.
SiFive
Series C in 2018
SiFive, Inc. is a semiconductor company that specializes in designing and manufacturing chips, particularly focusing on RISC-V architecture. Established in 2015 and headquartered in San Mateo, California, with additional offices in locations such as Oregon, Texas, India, Taiwan, and France, SiFive provides a range of products including multi-core application processors, embedded microcontrollers, and system-on-chip solutions tailored for various applications such as IoT and wearables. The company emphasizes the use of open-source technology to enable faster and more cost-effective hardware development. By offering software development kits, toolchains, and customized silicon products, SiFive aims to democratize access to advanced semiconductor solutions, accelerating innovation for businesses of all sizes.
SiFive
Series B in 2017
SiFive, Inc. is a semiconductor company that specializes in designing and manufacturing chips, particularly focusing on RISC-V architecture. Established in 2015 and headquartered in San Mateo, California, with additional offices in locations such as Oregon, Texas, India, Taiwan, and France, SiFive provides a range of products including multi-core application processors, embedded microcontrollers, and system-on-chip solutions tailored for various applications such as IoT and wearables. The company emphasizes the use of open-source technology to enable faster and more cost-effective hardware development. By offering software development kits, toolchains, and customized silicon products, SiFive aims to democratize access to advanced semiconductor solutions, accelerating innovation for businesses of all sizes.
Lexity
Series A in 2011
Lexity, Inc. is a technology company that develops an open-source cloud platform tailored for e-commerce merchants. Founded in 2009 and based in Mountain View, California, Lexity offers a comprehensive platform known as Lexity Commerce Central, which serves as a platform-as-a-service (PaaS) solution. This platform provides an App Store that enables online retailers to easily integrate various applications, enhancing their e-commerce capabilities. Lexity Commerce Central supports millions of merchants across multiple commerce platforms, including Magento, Etsy, eBay, Yahoo!, BigCommerce, and Shopify. The company’s offerings include integrations with a wide range of services such as Google Ads, Amazon Ads, Facebook, and MailChimp, among others. Lexity operates additional offices in Bangalore and is staffed by a team of executives with backgrounds from leading technology companies.
Boxee
Series C in 2011
Boxee is a media player software platform that combines locally stored personal media with internet streaming content and social networking features. The platform allows users to share their viewing habits with friends and other Boxee users on various social networks. It is partially open-source, enabling users to develop their own applications, plug-ins, and skins. The foundation of Boxee is derived from the Xbox Media Center project, originally created by home theater PC enthusiasts. In addition to software, Boxee has also developed an electronic device that connects smartphones to televisions, allowing users to discover and watch shows and movies from the internet directly on their TVs. This integration of personal media, streaming services, and social interaction positions Boxee as a versatile solution for media consumption.
Boxee
Series B in 2009
Boxee is a media player software platform that combines locally stored personal media with internet streaming content and social networking features. The platform allows users to share their viewing habits with friends and other Boxee users on various social networks. It is partially open-source, enabling users to develop their own applications, plug-ins, and skins. The foundation of Boxee is derived from the Xbox Media Center project, originally created by home theater PC enthusiasts. In addition to software, Boxee has also developed an electronic device that connects smartphones to televisions, allowing users to discover and watch shows and movies from the internet directly on their TVs. This integration of personal media, streaming services, and social interaction positions Boxee as a versatile solution for media consumption.
Boxee
Series A in 2008
Boxee is a media player software platform that combines locally stored personal media with internet streaming content and social networking features. The platform allows users to share their viewing habits with friends and other Boxee users on various social networks. It is partially open-source, enabling users to develop their own applications, plug-ins, and skins. The foundation of Boxee is derived from the Xbox Media Center project, originally created by home theater PC enthusiasts. In addition to software, Boxee has also developed an electronic device that connects smartphones to televisions, allowing users to discover and watch shows and movies from the internet directly on their TVs. This integration of personal media, streaming services, and social interaction positions Boxee as a versatile solution for media consumption.
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