# Kamailio vs Leon

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

| | Kamailio | Leon |
|---|---|---|
| Score | 66/100 ✓ | 63/100 |
| Rank in category | #4 of 16 in VoIP | #16 of 120 in AI Assistant |
| GitHub stars | 2 985 | 17 618 ✓ |
| Stars, last 30 days | +33 | +74 ✓ |
| Stable releases, 12 months | 12 ✓ | 3 |
| Latest release | 6.1.5 · 15 Oct 2026 ✓ | tcp-server_v2.0.0 · 19 Feb 2026 |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | No | No |
| License | Other | MIT |
| Main language | C | Typescript |

## Which one should you pick?

Kamailio scores 66/100 against 63/100 for Leon, so it is the safer default.

Kamailio ships more often: 12 stable releases in the past year, against 3 for Leon.

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

Leon is growing faster right now (+74 stars in 30 days).

## Details

- [Kamailio](https://selfhost.directory/project/kamailio) (markdown: https://selfhost.directory/project/kamailio.md)
- [Leon](https://selfhost.directory/project/leon) (markdown: https://selfhost.directory/project/leon.md)

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Source: https://selfhost.directory/compare/kamailio-vs-leon