TeamTalk Product: TeamTalk v4.0.1 Company: BearWare.dk Website: www.bearware.dk Type: Free Requirements: Windows XP/Vista/7 TeamTalk 4 is a conferencing system which enables a group of people to collaborate and share information. Every member of a group can communicate with other members in real time using both audio and video. All that is needed is a microphone and a web camera.