Modular SIP server (registrar/proxy/router/etc). ([Source Code](https://github.com/kamailio/kamailio)) `GPL-2.0` `C/deb`
kamailio.org
Alternatives to
openSIPS
Best alternatives to openSIPS in 2026
openSIPS is "SIP proxy/server for voice, video, IM, presence and any other SIP extensions. ([Source Code](https://github.com/OpenSIPS/opensips)) `GPL-2.0` `C`". If you are looking for an alternative to openSIPS in 2026 — whether for pricing, features or compatibility reasons — mySelectas has curated the 12 best options available. The most popular alternatives include: Asterisk, Kamailio. All these solutions are listed in the Informatique category.
Quick comparison of openSIPS alternatives
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| 11 | Développeurs | Chercheurs | — | |
| 12 | Étudiants | Professionnels | — |
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FAQ about openSIPS alternatives
- What is the best alternative to openSIPS in 2026?
- Based on our selection, Kamailio is the best alternative to openSIPS in 2026. Modular SIP server (registrar/proxy/router/etc). ([Source Code](https://github.com/kamailio/kamailio)) `GPL-2.0` `C/deb`. See our full ranking above to compare all options.
- Is openSIPS free?
- openSIPS is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to openSIPS are there?
- mySelectas has listed 12 alternatives to openSIPS in the Informatique category. Our selection is updated regularly to include the best options available.