1)   Qnext- Unified Communication & Sharing 3.0.6
Qnext Unifies Communication, Broadcasting and Sharing, 4-way Video, 8-way Voice, Universal IM MSN-Yahoo-AIM-ICQ-Gtalk-Jabber-IRC. Any size File transfer. Instantly Share Files-Photos & stream Music. Remote PC. Secure-P2P-Web2.0-SDK-Win-Mac-Linux.
Qnext, unified communication, broadcasting, instant media sharing, im, universal instant messenger, msn, yahoo, aim, icq,

 2)   Zoiper Communicator 1.00
ZOIPER Communicator is a very intuitive SIP softphone, with presence, chat, video and fax. Very stable, small footprint, skinnable, and with encryption support.
iax, sip, iax2, tcp, tls, srtp, t.38, video, simple, chat,