asterisk vs kamailio

asterisk and kamailio are closely matched on community size and activity — the right pick depends on your specific requirements.

Option A

The official Asterisk Project repository.

Activity score

Option B

Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability

Activity score

Detailed Comparison

asterisk wins

asterisk has 1.2× more stars (3,447 vs 2,910).

Comparable

Both are actively maintained (last commit 57d ago vs 50d ago).

Comparable

Similar project age (11.5y vs 12.8y).

Comparable

Both are primarily written in C.