alterovsUnison
Two self-hosted File Sync projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| altero | Unison | |
|---|---|---|
| Score | 47/100 | 65/100 |
| Rank in category | #8 of 15 in File Sync | #2 of 15 in File Sync |
| GitHub stars | 195 | 5 559 |
| Stars, last 30 days | — | +66 |
| Stable releases, 12 months | 2 | 2 |
| Latest release | v0.9.0 · 20 Aug 2026 | v2.54.0 · 1 May 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | No |
| License | AGPL-3.0 | GPL-3.0 |
| Main language | Typescript | OCaml |
Which one should you pick?
Unison scores 65/100 against 47/100 for altero, so it is the safer default.
Unison is growing faster right now (+66 stars in 30 days).
altero details →Unison details →All File Sync projects →