act vs MockServer

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?
FeatureactMockServer
CategoryCI/CD & BuildCI/CD & Build
LicenseMITApache-2.0
LanguageGoJava
Setup difficultyEasyMedium
Min. RAM256 MB512 MB
Deploymentbare-metal, binarydocker, kubernetes, binary
GitHub stars★ 71,417★ 4,933
First released20192013
ReplacesGitHub ActionsWireMock

Why pick each one

Choose act if…

  • Test CI before pushing
  • Saves CI minutes
act details

Choose MockServer if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Active community (4.9k GitHub stars)
MockServer details

Frequently asked questions

Is act or MockServer better?

act is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider MockServer if its specific feature set fits your needs better.

Are act and MockServer free and open-source?

Yes. act is licensed under MIT and MockServer under Apache-2.0. Both can be self-hosted at no software cost.

Can I run act and MockServer with Docker?

act: check the project docs for container support. MockServer: yes.

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