What are the best API First repositories on GitHub?

The top-ranked API First open source repositories include atrocore/atrocore, gentics/mesh, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending API First open source tools?

Browse this curated API First directory to monitor real-time GitHub star velocity, latest code releases, and rising developer tools updated daily.

Are API First GitHub repositories free and open source?

Most API First projects listed here are distributed under open source licenses (such as MIT, Apache 2.0, or GPL). Always check individual project repositories for exact license terms.

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API First GitHub Repositories (2026) · Open Source Tools

Discover the best API First open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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2 matching projects · updated Nov 13, 2026 How we rank ↗

#1 TRENDING atrocore/atrocore JavaScript 2020

AtroCore is an enterprise-ready, highly configurable Business Application Platform for managing complex data, integrating systems, and building custom business applications. It provides ready-made solutions for Master Data Management (MDM), Product Information Management (PIM), Digital Asset Management (DAM), and more.

◇ api-first ◇ b2b ◇ business-application-platform ◇ business-process-management

62 ↑ +1 today

245

#2 TRENDING gentics/mesh Java 2016

Gentics Mesh - The open source headless CMS for developers

◇ api-first ◇ cms ◇ cms-api ◇ gentics-mesh

124 ↑ +1 today

594

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API First GitHub Repositories (2026) · Open Source Tools

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