Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability
OpenSIPS is a GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms.
| Metric | kamailio | opensips |
|---|---|---|
| Stars | 2,799 | 1,457 |
| Forks | 1,096 | 645 |
| Open Issues | 26 | 290 |
| Language | C | C |
| License | NOASSERTION | NOASSERTION |
| Last commit | 3mo ago | 3mo ago |
| Repo age | 12.6y | 13.2y |
| Activity score | 70/100 | 68/100 |
kamailio has 1.9× more stars (2,799 vs 1,457).
Both are actively maintained (last commit 77d ago vs 77d ago).
Similar project age (12.6y vs 13.2y).
Both are primarily written in C.
