Tools
freeswitch
signalwire/freeswitch
An open-source telecom switch that runs VoIP, SIP and WebRTC calling on commodity hardware for self-hosted telephony.
Topics
Related projects
kamailio3kA scalable open-source SIP signaling server built for large carrier deployments of VoIP, messaging, and presence.
routr1.7kA lightweight, cloud-ready SIP proxy, registrar, and location server with programmable routing for modern telephony.
flutter-webrtc4.5kA Flutter plugin that brings WebRTC audio, video, screen sharing, and data channels to mobile, desktop, and web apps.
mumble8.4kMumble is an open-source, low-latency voice chat application with a desktop client and a self-hostable server, built with Qt and Opus for clear, high-quality team and gaming voice communication.
ejabberd6.8kA robust real-time messaging platform in Erlang. It bundles XMPP, MQTT, and SIP services for scalable, clustered chat deployments.
asterisk3.7kAn open-source PBX and telephony toolkit bridging VoIP and PSTN to power flexible business phone systems.