# openGym vs url-to-png

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

| | openGym | url-to-png |
|---|---|---|
| Score | 81/100 ✓ | 49/100 |
| Rank in category | #1 of 11 in Fitness Tracker | #13 of 16 in Web Scraping |
| GitHub stars | 17 158 ✓ | 256 |
| Stars, last 30 days | +2 989 ✓ | +0 |
| Stable releases, 12 months | 12 ✓ | 2 |
| Latest release | v1.4.3 · 26 Oct 2026 ✓ | v2.1.4 · 18 Apr 2026 |
| Setup | Easy | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | MIT |
| Main language | JavaScript | Typescript |

## Which one should you pick?

openGym scores 81/100 against 49/100 for url-to-png, so it is the safer default.

openGym ships more often: 12 stable releases in the past year, against 2 for url-to-png.

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)
- [url-to-png](https://selfhost.directory/project/url-to-png) (markdown: https://selfhost.directory/project/url-to-png.md)

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Source: https://selfhost.directory/compare/opengym-vs-url-to-png