Buildkite Agent 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?
Buildkite Agent
Self-hosted CI/CD agent for your own infrastructure
VS
Concourse CI
Pipeline-based continuous thing-doer
| Feature | Buildkite Agent | Concourse CI |
|---|---|---|
| Category | CI/CD & Build | CI/CD & Build |
| License | MIT | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 256 MB | 2,048 MB |
| Deployment | docker, binary, bare-metal | docker, kubernetes, helm |
| GitHub stars | ★ 1,035 | ★ 7,878 |
| First released | 2014 | 2014 |
| Replaces | GitHub Actions, CircleCI | Jenkins, CircleCI |
Why pick each one
Choose Buildkite Agent if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (1k GitHub stars)
- Written in Go
Frequently asked questions
Is Buildkite Agent or Concourse CI better?
Neither is universally better. Concourse CI has the larger community, while Buildkite Agent is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Buildkite Agent and Concourse CI free and open-source?
Yes. Buildkite Agent is licensed under MIT and Concourse CI under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Buildkite Agent and Concourse CI with Docker?
Buildkite Agent: yes. Concourse CI: yes.