Sourceforge in Communications / Chat & Instant Messaging
Bot Sentry is a Pidgin (libpurple) plugin to prevent Instant Message (IM) spam. It allows you to ignore IMs unless the sender is in your Buddy List, the sender is in your Allow List, or the sender correctly answers a question you have predefined.
A client-server chat for LAN or Internet with video chat support. Free download of CommFort 5.93
Instant LAN Messenger for Text, Group & Voice Chat, File transfer within Office. Free download of Outlook LAN Messenger 7.0.82
Instant messenger for use within LAN. Free download of Winsent Messenger 3.2.9
Fully featured, stand-alone, skinnable chat client that supports AIM, ICQ, MSN. Free download of Trillian 6.2.0 B12