# Retrom vs Thesys

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

| | Retrom | Thesys |
|---|---|---|
| Score | 59/100 ✓ | 41/100 |
| Rank in category | #3 of 5 in Emulation | #5 of 5 in Research |
| GitHub stars | 2 100 ✓ | 177 |
| Stars, last 30 days | +28 ✓ | +0 |
| Stable releases, 12 months | 10 ✓ | 5 |
| Latest release | v0.8.4 · 14 Jun 2026 | v0.4.0 · 23 Sept 2026 ✓ |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | Yes ✓ | No |
| License | GPL-3.0 | AGPL-3.0 |
| Main language | Typescript | Typescript |

## Which one should you pick?

Retrom scores 59/100 against 41/100 for Thesys, so it is the safer default.

Retrom ships more often: 10 stable releases in the past year, against 5 for Thesys.

Retrom is growing faster right now (+28 stars in 30 days).

## Details

- [Retrom](https://selfhost.directory/project/retrom) (markdown: https://selfhost.directory/project/retrom.md)
- [Thesys](https://selfhost.directory/project/thesys-core) (markdown: https://selfhost.directory/project/thesys-core.md)

---
Source: https://selfhost.directory/compare/retrom-vs-thesys-core