ooVoo is a startup videoconferencing and instant messaging application, similar to Skype Video. Talk lSightSpeed is a useful tool that provides video and voice calling service for both Macs and PCs.

SightSpeed 6.0 brings you the world's best video conferencing and voice calling service for both Macs and PCs. Make free video calls, PC-to-PC voice calls, or simply make and receive calls to and from regular telephones. The quality is high: Smooth, natural video with no delay.

Mac users can connect with a full 30 fps to Windows users, and vice versa. Create and send video mails to anyone with an email address. Have multi-party video calls with up to 4 people at a time. Have a video or voice call with anyone, even non-SightSpeed users.ive face-to-face with up to 6 people at once.