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TestMu AI (formerly LambdaTest)

testing

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

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.

Eligibility: for the project; OSI license required; public repo 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.

last verified 2026-07-06

Verified 2026-07-06. Details changed? Fix it on GitHub.

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