Kamailio is an open source implementation of a SIP Signaling Server.
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The Linux Portal Site
Kamailio is an open source implementation of a SIP Signaling Server.
Read moreWire is a cross-platform, encrypted instant messaging client. It allows users to exchange text, voice, photo, video and music messages.
Read moreAsterisk is a Private Branch eXchange and telephony toolkit. It is a hybrid TDM and packet voice PBX and IVR platform with ACD functionality.
Read moreFreeSWITCH is a telephony platform to facilitate the creation of voice and chat driven products from a soft-phone up to a soft-switch.
Read moreLinphone is a web phone, Make two-party calls over IP networks such as the Internet, freely, with voice, video, and text instant messaging.
Read moreGNU Gatekeeper (GnuGk) is a feature-rich project that implements an H.323 gatekeeper.
Read moreGNU Ring (formerly SFLphone) is an open source SIP-compatible softphone and SIP-based instant messenger for Linux.
Read moreMumble is a voice chat application for groups. While it can be used for any kind of activity, it is primarily intended for gaming.
Read moreJitsi is a set of open-source projects that allows you to easily build and deploy secure videoconferencing solutions.
Read moreAudacious is a semi-lightweight free and open source audio player with a WinAmp/XMMS-like skinnable GUI.
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