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The 20 hottest open source startups of 2024

Published on: 2025-06-03 12:00:00

A new report showcases the 20 top-trending open source startups around the world, more than half of which are closely aligned with AI. The report is the handiwork of European venture capital firm Runa Capital, which has operated the Runa Open Source Startup (ROSS) Index since 2020. The Index serves quarterly updates on the fastest-growing projects in terms of GitHub “stars” — a metric that’s something akin to a “like” on social media. Beginning in 2023, Runa started producing annual reports, highlighting the most popular commercial open source startups in a given year. Last year’s report demonstrated that AI and data infrastructure were driving demand for open source tooling, with LangChain hitting pole position in the ROSS Index for its open source framework for building LLM-centric apps. This year it’s a similar story, with AI central to 11 of the top 20 companies. It’s worth noting that the ROSS Index is heavily curated and doesn’t include any old open source project. Qualifying ... Read full article.