OpenSearchvsRspamd
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| OpenSearch | Rspamd | |
|---|---|---|
| Score | 76/100 | 65/100 |
| Rank in category | #7 of 41 in Search Engines | #1 of 4 in Anti-Spam |
| GitHub stars | 13 932 | 2 559 |
| Stars, last 30 days | +157 | +27 |
| Stable releases, 12 months | 11 | 14 |
| Latest release | 2.19.7 · 17 Oct 2026 | 4.2.3 · 21 Oct 2026 |
| Setup | Moderate | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Other |
| Main language | Java | C |
Which one should you pick?
OpenSearch scores 76/100 against 65/100 for Rspamd, so it is the safer default.
Rspamd ships more often: 14 stable releases in the past year, against 11 for OpenSearch.
If you want the quickest setup, OpenSearch is easier to run; Rspamd needs more configuration.
OpenSearch is growing faster right now (+157 stars in 30 days).
OpenSearch details →Rspamd details →
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