Skype - Peer to peer internet voice service. Mac, Windows and Linux versions available. Users may call landlines and cellphones for a fee; users may call each other for free. VocalTec - Providers of integrated communication solutions, including software to allow web-page visitors to call any telephone from their multimedia PC. A useful solution for customer support. Paltalk - Operates with different chat systems such as ICQ and AIM, and enables live video calls. [Windows] World Voice Cafe - Offers free voice chat with text and sound communications available. Vitez Multimedia Solutions - Maker of PicoPhone, an Internet phone application with chat. WebPhone - Use WebPhone software to call any phone, including mobile phones. AthTek Skype Recorder - A Skype add-on for recording both audio and video calls with high quality. Voice from each side can be saved separately. A useful tool for podcasting. Keynote Conference - Voice chat software, good for online training, seminars, or communities, including text, voice chat, co-browsing and application sharing. Beyluxe Messenger - Voice and video chat program. Public rooms with administration, private rooms, message archive.