Buildbot vs TeamCity
A side-by-side comparison of two self-hosted ci/cd & build options — licensing, setup difficulty, resource needs, and what each one replaces.
Buildbot
Flexible Python-based continuous integration framework
VS
TeamCity
Powerful CI/CD server from JetBrains
| Feature | Buildbot | TeamCity |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Category | CI/CD & Build | CI/CD & Build |
| License | GPL-2.0 | Proprietary |
| Language | Python | Java |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 4,096 MB |
| Deployment | docker, source | docker, bare-metal |
| GitHub stars | ★ 5,473 | — |
| First released | 2003 | 2006 |
| Replaces | Jenkins | Jenkins, CircleCI |
What are Buildbot and TeamCity?
Buildbot
Buildbot is an open-source continuous integration framework that automates the compile and test cycle. Configured entirely in Python, it scales from small projects to large distributed self-hosted build farms.
- Python-based config
- Distributed build workers
- Highly customizable
- Web dashboard
TeamCity
TeamCity is a build management and continuous integration server from JetBrains. The Professional edition is free for self-hosting smaller teams and supports many build runners and VCS systems.
- Smart build configuration
- Build chains and dependencies
- Rich VCS integration
- Detailed test reporting
Buildbot vs TeamCity: key differences
Buildbot is written in Python, while TeamCity is built with Java. Licensing differs — GPL-2.0 for Buildbot versus Proprietary for TeamCity. Buildbot is the lighter option, starting around 1,024 MB of RAM against 4,096 MB for TeamCity. Buildbot is the more established project (first released 2003), while TeamCity arrived in 2006.
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
Choose TeamCity if…
- Released under the Proprietary license
- First-class Docker support for quick deployment
- Written in Java
Frequently asked questions
Is Buildbot or TeamCity better?
Neither is universally better. Buildbot has the larger community, while TeamCity is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Buildbot and TeamCity free and open-source?
Yes. Buildbot is licensed under GPL-2.0 and TeamCity under Proprietary. Both can be self-hosted at no software cost.
Can I run Buildbot and TeamCity with Docker?
Buildbot: yes. TeamCity: yes.
Which is lighter on resources, Buildbot or TeamCity?
Buildbot has the smaller minimum footprint at 1,024 MB of RAM, compared to about 4,096 MB for TeamCity. Real-world usage depends on library size, user count, and enabled features.