clickhousevsPostal
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| clickhouse | Postal | |
|---|---|---|
| Score | 87/100 | 72/100 |
| Rank in category | #2 of 40 in Database Management | #3 of 16 in Mail Server |
| GitHub stars | 50 650 | 16 899 |
| Stars, last 30 days | +609 | +75 |
| Stable releases, 12 months | 180 | 3 |
| Latest release | v26.10.2.103-stable · 24 Oct 2026 | 3.3.7 · 3 Jun 2026 |
| Setup | Advanced | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | C | Ruby |
Which one should you pick?
clickhouse scores 87/100 against 72/100 for Postal, so it is the safer default.
clickhouse ships more often: 180 stable releases in the past year, against 3 for Postal.
clickhouse is growing faster right now (+609 stars in 30 days).
clickhouse details →Postal details →