harnessvsjam
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| harness | jam | |
|---|---|---|
| Score | 80/100 | 46/100 |
| Rank in category | #3 of 28 in CI/CD | #8 of 12 in Privacy |
| GitHub stars | 38 753 | 333 |
| Stars, last 30 days | +319 | +0 |
| Stable releases, 12 months | 6 | 0 |
| Latest release | v2.28.2 · 20 Apr 2026 | — |
| Setup | Easy | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | Go | Typescript |
Which one should you pick?
harness scores 80/100 against 46/100 for jam, so it is the safer default.
harness ships more often: 6 stable releases in the past year, against 0 for jam.
If you want the quickest setup, harness is easier to run; jam needs more configuration.
harness is growing faster right now (+319 stars in 30 days).
harness details →jam details →