act is an open-source developer tools & cli tool — Runs GitHub Actions workflows locally in Docker, for testing CI before pushing.

Is act free and open source?

Yes. act is free and open source, released under the MIT license. You can view and contribute to the source at https://github.com/nektos/act.

What are open-source alternatives to act?

Other open-source developer tools & cli tools on OSSDrop include VS Code, Go, Neovim, Playwright.

Curated

Runs GitHub Actions workflows locally in Docker, for testing CI before pushing.

Developer Tools & CLI·MIT·71.3k stars·v0.2.89·added 2026-07-26

Curated listing — added by OSSDrop, not the maker.

What is act?
act is an open-source developer tools & cli tool — Runs GitHub Actions workflows locally in Docker, for testing CI before pushing.
Is act free and open source?
Yes. act is free and open source, released under the MIT license. You can view and contribute to the source at https://github.com/nektos/act.
What are open-source alternatives to act?
Other open-source developer tools & cli tools on OSSDrop include VS Code, Go, Neovim, Playwright.

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