SpeedSight
Hailed as the best videoconferencing Voip software in the world, it is offered in two versions; free and Plus. Of course the paid version is more adept for business applications and is loaded with many features such as Voice/Call recording, history and community access. It also allows unlimited video mail of up to 3 minutes with video mail response recording. It also allows export of video mail for websites and blogs making it easy to use for the now growing social network which is the internet reincarnate. It also offers unlimited TXT/SMS messaging and can send the said SMS/TXT messages to multiple parties allowing ease of use for business applications.