Buildbot vs act
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?
Buildbot
Flexible Python-based continuous integration framework
VS
act
Run GitHub Actions workflows locally for fast feedback
| Feature | Buildbot | act |
|---|---|---|
| Category | CI/CD & Build | CI/CD & Build |
| License | GPL-2.0 | MIT |
| Language | Python | Go |
| Setup difficulty | Hard | Easy |
| Min. RAM | 1,024 MB | 256 MB |
| Deployment | docker, source | bare-metal, binary |
| GitHub stars | ★ 5,460 | ★ 71,417 |
| First released | 2003 | 2019 |
| Replaces | Jenkins | GitHub Actions |
Why pick each one
Choose Buildbot if…
- Released under the GPL-2.0 license
- First-class Docker support for quick deployment
- Mature project with 5.5k GitHub stars
- Written in Python
Frequently asked questions
Is Buildbot or act better?
act is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Buildbot if its specific feature set fits your needs better.
Are Buildbot and act free and open-source?
Yes. Buildbot is licensed under GPL-2.0 and act under MIT. Both can be self-hosted at no software cost.
Can I run Buildbot and act with Docker?
Buildbot: yes. act: check the project docs for container support.