coturn

Free, open-source TURN and STUN server for NAT traversal in VoIP and WebRTC applications.

Servicefreeglobal

coturn is a free, open-source TURN and STUN server that provides NAT-traversal relay infrastructure for WebRTC and VoIP applications, widely used to self-host the relay layer real-time communication apps depend on. It's aimed at developers who want reliable call connectivity across NATs and firewalls without paying a third-party relay service.

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