1)   ScreenStream 1.05
ScreenStream lets others 'watch' your screen while you work. It can be used as the modern equivalent of the overhead projector.
conferencing, desktop sharing, screen sharing, application sharing, online meetings, web demos, remote support, online training, web collaboration, screen presentation,

 2)   DKMessenger v4.5.2
DKMessenger is a free P2P messenger with video, Voice Over IP, text chat, and file transfer capabilities. If you have a microphone and a camera hooked up to your PC, DKMessenger works as a free videophone.
Video, VoIP, application sharing, peer-to-peer, chat, messaging, speech synthesis,

 3)   BRAVIS pico video telephony 1.2.0
Are you one of those people who wants to try things out before deciding on something new? Do you find video conferences interesting? Would you like to meet friends or relatives who live far away? Then we have just the thing for you: BRAVIS pico!
bravis, conferencing, communication, white board, application sharing, peer-to-peer, video, audio, gamer, chat,