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 language is act written in?

act is primarily written in Go.

Other open-source developer tools & cli tools on OSSDrop include VS Code, Oh My Zsh, MarkItDown, Go.

Curated

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

Developer Tools & CLI·MIT·Go·72k stars·v0.2.89·added 2026-07-26

Curated listing — added by OSSDrop, not the maker.

Add this to your site or README. It shows your live OSSDrop standing and links back — no account needed.

HTML

<a href="https://ossdrop.com/tool/act"><img src="https://ossdrop.com/badge/act" width="250" height="56" alt="act on OSSDrop" /></a>

Markdown

[![act on OSSDrop](https://ossdrop.com/badge/act)](https://ossdrop.com/tool/act)

What is act?
act is an open-source developer tools & cli tool — Runs GitHub Actions workflows locally in Docker, for testing CI before pushing. It is written in Go.
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 language is act written in?
act is primarily written in Go.
What are open-source alternatives to act?
Other open-source developer tools & cli tools on OSSDrop include VS Code, Oh My Zsh, MarkItDown, Go.

No comments yet.