# OSEM vs pretalx

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

| | OSEM | pretalx |
|---|---|---|
| Score | 47/100 | 62/100 ✓ |
| Rank in category | #8 of 11 in Event Management | #2 of 3 in Conference Management |
| GitHub stars | 929 | 954 ✓ |
| Stars, last 30 days | — | +8 |
| Stable releases, 12 months | 0 | 7 ✓ |
| Latest release | — | v2026.2.1 · 8 Jul 2026 |
| Setup | Advanced ✓ | Advanced |
| Official Docker image | No | No |
| License | MIT | Other |
| Main language | Ruby | Python |

## Which one should you pick?

pretalx scores 62/100 against 47/100 for OSEM, so it is the safer default.

pretalx ships more often: 7 stable releases in the past year, against 0 for OSEM.

pretalx is growing faster right now (+8 stars in 30 days).

## Details

- [OSEM](https://selfhost.directory/project/osem) (markdown: https://selfhost.directory/project/osem.md)
- [pretalx](https://selfhost.directory/project/pretalx) (markdown: https://selfhost.directory/project/pretalx.md)

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Source: https://selfhost.directory/compare/osem-vs-pretalx