# cobalt vs Zed Attack Proxy (ZAP)

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

| | cobalt | Zed Attack Proxy (ZAP) |
|---|---|---|
| Score | 83/100 ✓ | 80/100 |
| Rank in category | #1 of 45 in Download Management | #4 of 78 in Security |
| GitHub stars | 45 591 ✓ | 16 058 |
| Stars, last 30 days | +1 807 ✓ | +243 |
| Stable releases, 12 months | 0 | 31 ✓ |
| Latest release | — | w2026-10-23 · 23 Oct 2026 |
| Setup | Easy ✓ | Easy |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | Apache-2.0 |
| Main language | Svelte | Java |

## Which one should you pick?

cobalt scores 83/100 against 80/100 for Zed Attack Proxy (ZAP), so it is the safer default.

Zed Attack Proxy (ZAP) ships more often: 31 stable releases in the past year, against 0 for cobalt.

cobalt is growing faster right now (+1 807 stars in 30 days).

## Details

- [cobalt](https://selfhost.directory/project/cobalt) (markdown: https://selfhost.directory/project/cobalt.md)
- [Zed Attack Proxy (ZAP)](https://selfhost.directory/project/zed-attack-proxy-zap) (markdown: https://selfhost.directory/project/zed-attack-proxy-zap.md)

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Source: https://selfhost.directory/compare/cobalt-vs-zed-attack-proxy-zap