mCaptchavsRspamd
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| mCaptcha | Rspamd | |
|---|---|---|
| Score | 55/100 | 65/100 |
| Rank in category | #31 of 78 in Security | #1 of 4 in Anti-Spam |
| GitHub stars | 2 498 | 2 559 |
| Stars, last 30 days | +4 | +28 |
| Stable releases, 12 months | 0 | 14 |
| Latest release | — | 4.2.3 · 21 Oct 2026 |
| Setup | Moderate | Advanced |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | Other |
| Main language | Rust | C |
Which one should you pick?
Rspamd scores 65/100 against 55/100 for mCaptcha, so it is the safer default.
Rspamd ships more often: 14 stable releases in the past year, against 0 for mCaptcha.
If you want the quickest setup, mCaptcha is easier to run; Rspamd needs more configuration.
Rspamd is growing faster right now (+28 stars in 30 days).
mCaptcha details →Rspamd details →
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