Jenkins 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.
Jenkins
Extensible open-source automation server for CI/CD
VS
TeamCity
Powerful CI/CD server from JetBrains
| Feature | Jenkins | TeamCity |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Category | CI/CD & Build | CI/CD & Build |
| License | MIT | Proprietary |
| Language | Java | Java |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 4,096 MB |
| Deployment | docker, bare-metal, helm | docker, bare-metal |
| GitHub stars | ★ 26,581 | — |
| First released | 2011 | 2006 |
| Replaces | CircleCI | Jenkins, CircleCI |
What are Jenkins and TeamCity?
Jenkins
Jenkins is a widely used open-source automation server for building, testing, and deploying software, with a vast plugin ecosystem. It targets teams with complex or legacy CI/CD pipelines. It is deployed via Docker, WAR file, or native packages.
- Thousands of plugins
- Pipeline as code with Jenkinsfile
- Distributed build agents
- Huge community
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
Jenkins vs TeamCity: key differences
Both projects are written in Java. Licensing differs — MIT for Jenkins versus Proprietary for TeamCity. Jenkins is the lighter option, starting around 1,024 MB of RAM against 4,096 MB for TeamCity. TeamCity is the more established project (first released 2006), while Jenkins arrived in 2011.
Why pick each one
Choose Jenkins if…
- Extremely flexible
- Massive plugin ecosystem
- Battle-tested
Watch out for
- Plugin management can be painful
- Dated user interface
Choose TeamCity if…
- Released under the Proprietary license
- First-class Docker support for quick deployment
- Written in Java
Frequently asked questions
Is Jenkins or TeamCity better?
Neither is universally better. Jenkins has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Jenkins and TeamCity free and open-source?
Yes. Jenkins is licensed under MIT and TeamCity under Proprietary. Both can be self-hosted at no software cost.
Can I run Jenkins and TeamCity with Docker?
Jenkins: yes. TeamCity: yes.
Which is lighter on resources, Jenkins or TeamCity?
Jenkins 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.