# Kamailio vs sdnext

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

| | Kamailio | sdnext |
|---|---|---|
| Score | 66/100 | 71/100 ✓ |
| Rank in category | #4 of 16 in VoIP | #3 of 11 in Image Generation |
| GitHub stars | 2 985 | 7 362 ✓ |
| Stars, last 30 days | +31 ✓ | +16 |
| Stable releases, 12 months | 12 ✓ | 0 |
| Latest release | 6.1.5 · 15 Oct 2026 | — |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | Other | Apache-2.0 |
| Main language | C | Python |

## Which one should you pick?

sdnext scores 71/100 against 66/100 for Kamailio, so it is the safer default.

Kamailio ships more often: 12 stable releases in the past year, against 0 for sdnext.

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

## Details

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

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