Communication - SIP
13 applications, ranked by GitHub stars in the dataset.
FreeSWITCH
Scalable cross-platform telephony platform.
5,269 stars Active
28 Oct 2026 v1.11.3
Asterisk
Easy to use but advanced IP PBX system, VoIP gateway and conference server.
3,656 stars Active
26 Oct 2026 24.0.0-rc4
Kamailio
Modular SIP server (registrar/proxy/router/etc).
2,991 stars Active
31 Oct 2026 6.1.5
SIPCAPTURE Homer
Troubleshooting and monitoring VoIP calls.
2,027 stars Active
27 Oct 2026 11.0.371
Routr
Lightweight SIP proxy, location server, and registrar for a reliable and scalable SIP infrastructure.
1,718 stars Active
30 Oct 2026 v2.31.6
openSIPS
SIP proxy/server for voice, video, IM, presence and any other SIP extensions.
1,545 stars Active
29 Oct 2026
FusionPBX
Web interface for multi-platform voice switch called FreeSWITCH.
1,082 stars Active
31 Oct 2026 5.6.5
Flexisip
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground.
193 stars Active
29 Oct 2026
3CX
Full-featured PABX system, with call queues, built-in web conferencing, live chat and social media messaging all on one system.
No repository figures recorded
Freepbx
Web-based GUI that controls and manages Asterisk.
No repository figures recorded
SIP3
VoIP troubleshooting and monitoring platform.
No repository figures recorded
Wazo
Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API.
No repository figures recorded
Yeti-Switch
Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API.
No repository figures recorded
