Windows Live Messenger 8.0.0792 Beta
Size: 15.38 MB | License: freeware | OS: Windows XP | Developer: Microsoft Networks

 Yahoo! Messenger with Voice 8.0.0.683
Size: 398 KB | License: freeware | OS: Windows 2K/XP | (Self installer)

 AIM - AOL Instant Messenger 5.9.6082 Beta
Size: 8.09 MB | License: freeware | OS: Windows 98/ME/2K/XP

 Skype 2.5
Size: 9.83 MB | License: freeware | OS: Win XP/2000

 Google Talk
Size: 1.46 MB | License: freeware | OS: Windows All

 Globe7 v3.0 Beta
Size: 7.23MB | License: freeware | OS: Windows 2000/XP

  ICQ 5.1
Size: 5.78MB | License: freeware | OS: Windows 98/ME/2K/XP

 Trillian 3.1
Size: 8.58 MB | License: freeware | OS: Windows 9x/ME/NT/2K/XP

 Rediff Bol 8.0
Size: 315KB | License: freeware | OS: Windows All | ( Self Installer )