UnderstudyvsZot Registry
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Understudy | Zot Registry | |
|---|---|---|
| Score | 48/100 | 64/100 |
| Rank in category | #110 of 209 in AI Agents | #3 of 12 in Container Registry |
| GitHub stars | 465 | 2 922 |
| Stars, last 30 days | +0 | +120 |
| Stable releases, 12 months | 0 | 12 |
| Latest release | — | v2.1.22 · 6 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes |
| License | MIT | Apache-2.0 |
| Main language | Typescript | Go |
Which one should you pick?
Zot Registry scores 64/100 against 48/100 for Understudy, so it is the safer default.
Zot Registry ships more often: 12 stable releases in the past year, against 0 for Understudy.
Zot Registry is growing faster right now (+120 stars in 30 days).
Understudy details →Zot Registry details →