cobaltvsSerendipity
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| cobalt | Serendipity | |
|---|---|---|
| Score | 83/100 | 53/100 |
| Rank in category | #1 of 45 in Download Management | #7 of 24 in Blogging |
| GitHub stars | 45 597 | 229 |
| Stars, last 30 days | +1 813 | — |
| Stable releases, 12 months | 0 | 2 |
| Latest release | — | 2.6.1 · 22 Jul 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | No |
| License | AGPL-3.0 | BSD-3-Clause |
| Main language | Svelte | PHP |
Which one should you pick?
cobalt scores 83/100 against 53/100 for Serendipity, so it is the safer default.
Serendipity ships more often: 2 stable releases in the past year, against 0 for cobalt.
If you want the quickest setup, cobalt is easier to run; Serendipity needs more configuration.
cobalt is growing faster right now (+1 813 stars in 30 days).
cobalt details →Serendipity details →