Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application.

AeroAdmin is a zero configuration free remote desktop software. Use it for quick and easy remote desktop access and PC control.

Voxeet is VoIP web conferencing software that uses 3D high definition voice technology to produce immersive sound.

GoMeetNow is an online web conferencing service.