# nightscout-librelink-up vs openGym

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

| | nightscout-librelink-up | openGym |
|---|---|---|
| Score | 50/100 | 81/100 ✓ |
| Rank in category | #13 of 31 in Health & Fitness | #1 of 11 in Fitness Tracker |
| GitHub stars | 294 | 17 111 ✓ |
| Stars, last 30 days | +0 | +2 942 ✓ |
| Stable releases, 12 months | 3 | 12 ✓ |
| Latest release | v3.3.0 · 4 Mar 2026 | v1.4.3 · 26 Oct 2026 ✓ |
| Setup | Easy ✓ | Easy |
| Official Docker image | Yes | Yes |
| License | MIT | AGPL-3.0 |
| Main language | Typescript | JavaScript |

## Which one should you pick?

openGym scores 81/100 against 50/100 for nightscout-librelink-up, so it is the safer default.

openGym ships more often: 12 stable releases in the past year, against 3 for nightscout-librelink-up.

openGym is growing faster right now (+2 942 stars in 30 days).

## Details

- [nightscout-librelink-up](https://selfhost.directory/project/nightscout-librelink-up) (markdown: https://selfhost.directory/project/nightscout-librelink-up.md)
- [openGym](https://selfhost.directory/project/opengym) (markdown: https://selfhost.directory/project/opengym.md)

---
Source: https://selfhost.directory/compare/nightscout-librelink-up-vs-opengym