# TestMu AI (formerly LambdaTest) free for open source

What TestMu AI gives open source projects, who qualifies, and how to apply. 1 verified offer, last checked 2026-09-07.

- Website: https://www.testmuai.com
- Categories: testing

## Cross-browser and mobile testing platform (Open Source Program)

**What you get.** Free licenses to test open-source projects across 5,000+ browsers and devices, access to the test orchestration platform with built-in CI and analytics, plus mentorship, promotion, and optional financial sponsorship (a $250,000 open source grants pool). Program materials also mention 10 HyperExecute parallel sessions and full Test-at-Scale access for OSS projects.

**Who qualifies.** Applies to the project; OSI-approved license required; active development required. Valid open source license (MIT, Apache 2.0, GPL, etc.), publicly accessible on GitHub/GitLab, recent updates, and clear documentation (README) required.

**How to apply.** Fill out the application form on the open-source page with project details and repository URL; questions to support@testmuai.com.

Program page: https://www.testmuai.com/open-source/

Verified 2026-09-07 - manual: lambdatest.com/open-source-cross-browser-testing 301s to testmuai.com; testmuai.com/open-source/ live, free licenses for OSS projects

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