Buildbot vs Concourse CI
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
Concourse CI
Pipeline-based continuous thing-doer
| Feature | Buildbot | Concourse CI |
|---|---|---|
| Category | CI/CD & Build | CI/CD & Build |
| License | GPL-2.0 | Apache-2.0 |
| Language | Python | Go |
| Setup difficulty | Hard | Hard |
| Min. RAM | 1,024 MB | 2,048 MB |
| Deployment | docker, source | docker, kubernetes, helm |
| GitHub stars | ★ 5,460 | ★ 7,878 |
| First released | 2003 | 2014 |
| Replaces | Jenkins | Jenkins, CircleCI |
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 Concourse CI better?
Neither is universally better. Concourse CI has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Buildbot and Concourse CI free and open-source?
Yes. Buildbot is licensed under GPL-2.0 and Concourse CI under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Buildbot and Concourse CI with Docker?
Buildbot: yes. Concourse CI: yes.