Voice Chat Softwares and Apps

Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application. ...more

Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with users of a different service provider via online chat, Voice over IP, and Videotelephony. ...more

RetroShare is open source software for encrypted filesharing, serverless email, instant messaging, online chat, and BBS, based on a friend-to-friend network built on GNU Privacy Guard (GPG). ...more

Signal is the most scalable encryption tool. ...more

Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication over various IM protocols. ...more

Riot allows teams to communicate across a wide range of collaboration apps. ...more

Ring (SFLphone) is an open-source SIP-compatible softphone and instant messenger for Linux, Microsoft Windows, OS X and Android. ...more

Linphone is a free voice over IP (VoIP) service and SIP client. ...more

MicroSIP is a portable SIP softphone based on the PJSIP stack available for Microsoft Windows. ...more

Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol. ...more

Ekiga (GnomeMeeting) is a VoIP and video conferencing application for GNOME and Microsoft Windows. ...more

Telephone allows you to make phone calls over the Internet or your company’s network. ...more

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming. ...more

CSipSimple is a Voice over Internet Protocol (VoIP) application for Google Android operating system using the Session Initiation Protocol (SIP). ...more

QuteCom (WengoPhone) is a free-software SIP-compliant VoIP client. ...more

FreeSWITCH is a free and open source application server for real-time communication, WebRTC, telecommunications, video and Voice over Internet Protocol (VoIP). ...more

Asterisk is a open source communications project that lets you create telephony apps for IP PBXs, VoIP Gateways, etc. ...more