# openGym vs SafeLine

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | openGym | SafeLine |
|---|---|---|
| Score | 81/100 | 81/100 |
| Rank in category | #1 of 11 in Fitness Tracker | #1 of 3 in Web Application Firewall |
| GitHub stars | 17 158 | 23 082 ✓ |
| Stars, last 30 days | +2 989 ✓ | +409 |
| Stable releases, 12 months | 12 ✓ | 11 |
| Latest release | v1.4.3 · 26 Oct 2026 ✓ | v9.4.3 · 21 Oct 2026 |
| Setup | Easy ✓ | Moderate |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | GPL-3.0 |
| Main language | JavaScript | Go |

## Which one should you pick?

openGym and SafeLine score the same (81/100), so the choice comes down to the details below.

openGym ships more often: 12 stable releases in the past year, against 11 for SafeLine.

If you want the quickest setup, openGym is easier to run; SafeLine needs more configuration.

openGym is growing faster right now (+2 989 stars in 30 days).

## Details

- [openGym](https://selfhost.directory/project/opengym) (markdown: https://selfhost.directory/project/opengym.md)
- [SafeLine](https://selfhost.directory/project/safeline) (markdown: https://selfhost.directory/project/safeline.md)

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Source: https://selfhost.directory/compare/opengym-vs-safeline