Companies in the open source sector developing innovative solutions and technologies.
Explore 273 recently funded open source companies with verified founder contact information and fundraising data.
Hugging Face allows users to build, train, and deploy art models using the reference open source in machine learning.
Promptfoo develops software tools that support testing, evaluation, and security analysis of applications built with language models.
Beelzebub develops AI-native cybersecurity software for threat detection, deception, and automated security operations.
Schematic Research is a technology driven company that offers a platform generating mathematical code with AI.
SST is an open-source framework for building full-stack applications.
Building the worlds first open Community Experience Platform (CXP)
Kaleidos is an open-source project management platform for tech-heavy startups.
ToolJet is a low-code open-source platform for developing and deploying custom business applications.
Primal operates as a social media company that focus on building an open protocols like Nostr and Bitcoin.
Maestro is an automated testing platform that helps developers create and run end-to-end tests for mobile and web applications.
Airy is a data streaming platform that offers data for ML and AI applications.
Together AI provides a cloud platform for developing, training, fine-tuning, and deploying generative AI models.
Lyzr is an enterprise software company that offers AI porwered agent framework to build multi-agent workflows.
Tier IV creates technology-enabled driving software for the automotive industry that develops intelligent vehicles.
OpenReplay is an open-source, self-hostable, session replay and product analytics platform.
Make beautiful websites regardless of your design experience - Open Source React UI Library
Bluefin is an orderbook-based derivatives exchange that uses the most innovative decentralized infrastructure.
Timefold is a platform that optimizes complex scheduling and routing tasks.
DioxusLabs An open source project focused to improving Rust UI.
Strapi is an open-source software platform that helps developers to easily build, deploy, and manage APIs.
Upsun provides tools to build, deploy, and manage web applications on a scalable cloud platform.
smol machines provides tools to build, run, and package portable hardware-isolated Linux virtual machines for software development.
The open source sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.
Open Source companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.
The open source sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.
Here is how funding is distributed among the 273 open source companies tracked in the VCBacked database.
Companies in the open source sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.
Perfect for: B2B sales teams targeting open source companies, investors exploring sector opportunities, and service providers looking for funded companies ready to scale.
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