# altcha vs signoz

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

| | altcha | signoz |
|---|---|---|
| Score | 63/100 | 79/100 ✓ |
| Rank in category | #2 of 4 in Anti-Spam | #7 of 104 in Monitoring & observability |
| GitHub stars | 2 858 | 32 479 ✓ |
| Stars, last 30 days | +82 | +291 ✓ |
| Stable releases, 12 months | 18 | 38 ✓ |
| Latest release | v3.5.0 · 22 Oct 2026 | v0.148.0 · 28 Oct 2026 ✓ |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | No | Yes ✓ |
| License | MIT | Other |
| Main language | Typescript | Typescript |

## Which one should you pick?

signoz scores 79/100 against 63/100 for altcha, so it is the safer default.

signoz ships more often: 38 stable releases in the past year, against 18 for altcha.

signoz is growing faster right now (+291 stars in 30 days).

## Details

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

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