VoIP Archives - LinuxLinks

5 Best Free and Open Source Tox Clients

Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption. We recommend the finest Tox clients.

Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and more.

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

Ekiga is a VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols.

Kamailio is an open source implementation of a SIP Signaling Server.

Wire is a cross-platform, encrypted instant messaging client. It allows users to exchange text, voice, photo, video and music messages.

Asterisk is a Private Branch eXchange and telephony toolkit. It is a hybrid TDM and packet voice PBX and IVR platform with ACD functionality.

FreeSWITCH is a telephony platform to facilitate the creation of voice and chat driven products from a soft-phone up to a soft-switch.

Linphone is a web phone, Make two-party calls over IP networks such as the Internet, freely, with voice, video, and text instant messaging.

GNU Gatekeeper (GnuGk) is a feature-rich project that implements an H.323 gatekeeper.