head to head · open source
Harness vs zeabur
Harness has 38,378 GitHub stars, 3,397 forks, 106 open issues and last shipped 2 days ago. zeabur has 681 stars, 101 forks, 14 open issues and last shipped yesterday. Harness leads on adoption by 5,536% (38,378 vs 681 stars). Harness is written in Go under Apache-2.0; zeabur is written in HTML under MPL-2.0. Harness has attracted 9% as many forks as stars, zeabur 15%. zeabur was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ci), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Harness | zeabur | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 681 |
| License | Apache-2.0 | MPL-2.0 |
| Written in | Go | HTML |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 3.4K | ⑂ 101 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Harness if
- You weight community size — 38K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick zeabur if
- You want the zeabur feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches HTML
- You evaluated both and zeabur fits your workflow better
About Harness
Harness Open Source is an Apache 2.0, Go based developer platform that combines Git source control management, CI/CD pipelines, Gitspaces hosted development environments and artifact registries into one self hostable system for engineering teams that want end to end software delivery without stitching four separate products together.
read the full Harness overview →
About zeabur
Zeabur is a platform as a service for developers, small teams, and AI agent driven workflows that turns source code into running services through one click deployment, without requiring DevOps expertise.
read the full zeabur overview →
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Frequently asked questions
Is Harness or zeabur more popular?
Harness has 38,378 GitHub stars and zeabur has 681. Harness has the larger community by that measure.
Are Harness and zeabur free?
Both are open source. Harness is licensed under Apache-2.0 and zeabur under MPL-2.0. Neither carries a licence fee.
What is the difference between Harness and zeabur?
Harness is written in Go and zeabur in HTML. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Harness or zeabur?
Choose Harness if you want the larger community (38,378 stars) or its Apache-2.0 licence terms. Choose zeabur if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.