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

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

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

Glasscubes helps businesses improve how they manage projects, share files and collaborate online.

Google Voice is a telephony service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call ter…

Campfire helps you easily collaborate online in real-time.

Echoplexus is an anonymous, web-based, IRC-like chatting platform that makes its best effort to respect your privacy.

GoMeetNow is an online web conferencing service.