# SafeLine vs zookeeper

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

| | SafeLine | zookeeper |
|---|---|---|
| Score | 81/100 ✓ | 73/100 |
| Rank in category | #1 of 3 in Web Application Firewall | #1 of 8 in Configuration Management |
| GitHub stars | 23 082 ✓ | 12 825 |
| Stars, last 30 days | +409 ✓ | +14 |
| Stable releases, 12 months | 11 ✓ | 0 |
| Latest release | v9.4.3 · 21 Oct 2026 | — |
| Setup | Moderate ✓ | Moderate |
| Official Docker image | Yes ✓ | No |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Go | Java |

## Which one should you pick?

SafeLine scores 81/100 against 73/100 for zookeeper, so it is the safer default.

SafeLine ships more often: 11 stable releases in the past year, against 0 for zookeeper.

SafeLine is growing faster right now (+409 stars in 30 days).

## Details

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

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