TeamSpeak
- Free half duplex, channel based voice chat software. Supports Windows and Linux platforms.
- http://www.goteamspeak.com/

Ventrilo - Voice Communication Software
- Free real-time voice chat for group communications. Supports surround sound. Available for Windows, Mac and Linux platforms.
- http://www.ventrilo.com/

Lebanon Voice Chat
- Lebanon based website with free voice chat, free email, music, news, and horoscope.
- http://www.lebanonvoice.com/

Audio-Tips Community
- A family oriented voice chat community, powered by iVocalize.
- http://www.audio-tips.com/

Web-a-dex Internet Services
- Offers free communal voice chat to the public and subscription based private rooms. Requires plug-in.
- http://www.web-a-dex.com/freevoicechat.htm

Better eSolution
- Application service provider for Voice Over IP, Voice Conferencing and Voice Chat for Businesses, eLearning and Web Communities.
- http://www.betteresolution.com/

VoiceChat.us
- Join others in free voice chat and or voice and video chat rooms.
- http://www.voicechat.us/

Roger Wilco
- Full duplex voice application, use to communicate with others during multiplayer games.
- http://rogerwilco.gamespy.com/

Global Communications Network
- Free chat program featuring voice rooms, secure messaging, video conferencing, web browsing, whiteboards and games.
- http://www.gcn.cx/

e4 Networks
- e4 chat is a voice chat system with contact lists, Instant Messages and text chat capability. Secure connection is obtained by hiding IP addresses.
- http://www.e4chat.com/

Room Talk
- Voice chat client specializing in e-learning, web training and conferencing with support for multiple languages.
- http://www.roomtalk.net/