# openGym vs Thumbor

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

| | openGym | Thumbor |
|---|---|---|
| Score | 81/100 ✓ | 72/100 |
| Rank in category | #1 of 11 in Fitness Tracker | #2 of 13 in Image Processing |
| GitHub stars | 17 235 ✓ | 10 528 |
| Stars, last 30 days | +3 066 ✓ | +6 |
| Stable releases, 12 months | 12 ✓ | 1 |
| Latest release | v1.4.3 · 26 Oct 2026 ✓ | 7.8.0 · 30 May 2026 |
| Setup | Easy | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | MIT |
| Main language | JavaScript | Python |

## Which one should you pick?

openGym scores 81/100 against 72/100 for Thumbor, so it is the safer default.

openGym ships more often: 12 stable releases in the past year, against 1 for Thumbor.

openGym is growing faster right now (+3 066 stars in 30 days).

## Details

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

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