# capjs vs Rspamd

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

| | capjs | Rspamd |
|---|---|---|
| Score | 72/100 ✓ | 65/100 |
| Rank in category | #15 of 78 in Security | #1 of 4 in Anti-Spam |
| GitHub stars | 8 199 ✓ | 2 559 |
| Stars, last 30 days | +357 ✓ | +28 |
| Stable releases, 12 months | 16 ✓ | 14 |
| Latest release | standalone@3.1.13 · 23 Sept 2026 | 4.2.3 · 21 Oct 2026 ✓ |
| Setup | Easy ✓ | Advanced |
| Official Docker image | Yes | Yes |
| License | Other | Other |
| Main language | JavaScript | C |

## Which one should you pick?

capjs scores 72/100 against 65/100 for Rspamd, so it is the safer default.

capjs ships more often: 16 stable releases in the past year, against 14 for Rspamd.

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

capjs is growing faster right now (+357 stars in 30 days).

## Details

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

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