# unleash vs zookeeper

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | unleash | zookeeper |
|---|---|---|
| Score | 75/100 ✓ | 73/100 |
| Rank in category | #1 of 8 in Feature Flags | #1 of 8 in Configuration Management |
| GitHub stars | 13 912 ✓ | 12 827 |
| Stars, last 30 days | +90 ✓ | +17 |
| Stable releases, 12 months | 15 ✓ | 0 |
| Latest release | v8.3.0 · 27 Oct 2026 | — |
| Setup | Easy ✓ | Moderate |
| Official Docker image | Yes ✓ | No |
| License | AGPL-3.0 | Apache-2.0 |
| Main language | Typescript | Java |

## Which one should you pick?

unleash scores 75/100 against 73/100 for zookeeper, so it is the safer default.

unleash ships more often: 15 stable releases in the past year, against 0 for zookeeper.

If you want the quickest setup, unleash is easier to run; zookeeper needs more configuration.

unleash is growing faster right now (+90 stars in 30 days).

## Details

- [unleash](https://selfhost.directory/project/unleash) (markdown: https://selfhost.directory/project/unleash.md)
- [zookeeper](https://selfhost.directory/project/zookeeper) (markdown: https://selfhost.directory/project/zookeeper.md)

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Source: https://selfhost.directory/compare/unleash-vs-zookeeper