TeamCity vs Tekton
A side-by-side comparison of two self-hosted ci/cd & build options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | TeamCity | Tekton |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Category | CI/CD & Build | CI/CD & Build |
| License | Proprietary | Apache-2.0 |
| Language | Java | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 4,096 MB | 1,024 MB |
| Deployment | docker, bare-metal | kubernetes, helm |
| GitHub stars | — | ★ 9,067 |
| First released | 2006 | 2018 |
| Replaces | Jenkins, CircleCI | Jenkins, GitHub Actions |
What are TeamCity and Tekton?
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
Tekton
Tekton is a Kubernetes-native open-source framework for creating CI/CD systems. It provides pipelines, tasks, and triggers as Kubernetes custom resources for portable automation.
- Kubernetes-native pipelines
- Reusable tasks and steps
- Event-driven triggers
- Cloud-portable
TeamCity vs Tekton: key differences
TeamCity is written in Java, while Tekton is built with Go. Licensing differs — Proprietary for TeamCity versus Apache-2.0 for Tekton. Tekton 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 Tekton arrived in 2018. TeamCity lists first-class Docker deployment; Tekton does not.
Why pick each one
Choose TeamCity if…
- Released under the Proprietary license
- First-class Docker support for quick deployment
- Written in Java
Choose Tekton if…
- Released under the Apache-2.0 license
- Kubernetes-ready with Helm charts available
- Mature project with 9.1k GitHub stars
- Written in Go
Frequently asked questions
Is TeamCity or Tekton better?
Neither is universally better. Tekton 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 TeamCity and Tekton free and open-source?
Yes. TeamCity is licensed under Proprietary and Tekton under Apache-2.0. Both can be self-hosted at no software cost.
Can I run TeamCity and Tekton with Docker?
TeamCity: yes. Tekton: check the project docs for container support.
Which is lighter on resources, TeamCity or Tekton?
Tekton 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.