checkmatevsharness
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| checkmate | harness | |
|---|---|---|
| Score | 72/100 | 80/100 |
| Rank in category | #15 of 104 in Monitoring & observability | #3 of 28 in CI/CD |
| GitHub stars | 11 005 | 38 746 |
| Stars, last 30 days | +122 | +319 |
| Stable releases, 12 months | 15 | 6 |
| Latest release | v3.13.1 · 22 Oct 2026 | v2.28.2 · 20 Apr 2026 |
| Setup | Easy | Easy |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | Apache-2.0 |
| Main language | Typescript | Go |
Which one should you pick?
harness scores 80/100 against 72/100 for checkmate, so it is the safer default.
checkmate ships more often: 15 stable releases in the past year, against 6 for harness.
harness is growing faster right now (+319 stars in 30 days).
checkmate details →harness details →
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