# altcha vs Rspamd

> Two self-hosted [Anti-Spam projects](https://selfhost.directory/anti-spam), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | altcha | Rspamd |
|---|---|---|
| Score | 63/100 | 65/100 ✓ |
| Rank in category | #2 of 4 in Anti-Spam | #1 of 4 in Anti-Spam |
| GitHub stars | 2 857 ✓ | 2 559 |
| Stars, last 30 days | +84 ✓ | +28 |
| Stable releases, 12 months | 18 ✓ | 14 |
| Latest release | v3.5.0 · 22 Oct 2026 ✓ | 4.2.3 · 21 Oct 2026 |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | No | Yes ✓ |
| License | MIT | Other |
| Main language | Typescript | C |

## Which one should you pick?

Rspamd scores 65/100 against 63/100 for altcha, so it is the safer default.

altcha ships more often: 18 stable releases in the past year, against 14 for Rspamd.

If you want the quickest setup, altcha is easier to run; Rspamd needs more configuration.

altcha is growing faster right now (+84 stars in 30 days).

## Details

- [altcha](https://selfhost.directory/project/altcha) (markdown: https://selfhost.directory/project/altcha.md)
- [Rspamd](https://selfhost.directory/project/rspamd) (markdown: https://selfhost.directory/project/rspamd.md)

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Source: https://selfhost.directory/compare/altcha-vs-rspamd