Self-hosted Communication - SIP software
13 projects, sorted by GitHub stars (as recorded in the dataset). Star counts and dates come from the dataset snapshot, not live.
| Name | Description | License | Stars | Updated | Platforms | |
|---|---|---|---|---|---|---|
| FreeSWITCH | Scalable open source cross-platform telephony platform. | MPL-2.0 | 5,238 | 2026-10-09 | C | Source |
| Asterisk | Easy to use but advanced IP PBX system, VoIP gateway and conference server. | GPL-2.0 | 3,633 | 2026-10-20 | C, deb | Source |
| Kamailio | Modular SIP server (registrar/proxy/router/etc). | GPL-2.0 | 2,978 | 2026-10-20 | C, deb | Source |
| SIPCAPTURE Homer | Troubleshooting and monitoring VoIP calls. | AGPL-3.0 | 2,022 | 2026-10-20 | Nodejs, Go, Docker | Source |
| Routr | Lightweight SIP proxy, location server, and registrar for a reliable and scalable SIP infrastructure. | MIT | 1,713 | 2026-10-19 | Docker, K8S | Source |
| openSIPS | SIP proxy/server for voice, video, IM, presence and any other SIP extensions. | GPL-2.0 | 1,543 | 2026-10-20 | C | Source |
| FusionPBX | Web interface for multi-platform voice switch called FreeSWITCH. | MPL-1.1 | 1,074 | 2026-10-20 | PHP | Source |
| 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. | AGPL-3.0 | 191 | 2026-10-20 | C, Docker | Source |
| 3CX | Full-featured PABX system, with call queues, built-in web conferencing, live chat and social media messaging all on one system. | ⊘ Proprietary (non-free) | — | — | Unknown | Source |
| Freepbx | Web-based open source GUI that controls and manages Asterisk. | GPL-2.0 | — | — | PHP | Source |
| SIP3 | VoIP troubleshooting and monitoring platform. | Apache-2.0 | — | — | Java | Source |
| Wazo | Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API. | GPL-3.0 | — | — | Python | Source |
| Yeti-Switch | Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API. | GPL-2.0 | — | — | C++, Ruby | Source |