act vs GitLab

A side-by-side comparison of two self-hosted ci/cd & build options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureactGitLab
CategoryCI/CD & BuildCI/CD & Build
LicenseMITMIT
LanguageGo
Setup difficultyEasyEasy
Min. RAM256 MB2,000 MB
Deploymentbare-metal, binarybare-metal
GitHub stars★ 71,417
First released20192023
ReplacesGitHub ActionsGitHub

Why pick each one

Choose act if…

  • Test CI before pushing
  • Saves CI minutes
act details

Choose GitLab if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
GitLab details

Frequently asked questions

Is act or GitLab better?

Neither is universally better. act has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are act and GitLab free and open-source?

Yes. act is licensed under MIT and GitLab under MIT. Both can be self-hosted at no software cost.

Can I run act and GitLab with Docker?

act: check the project docs for container support. GitLab: check the project docs for container support.

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