1)   LanTalk XP 2.9
Effective communications for the office and home environment. If you work in a busy environment and need to communicate with others in the office, or maybe even colleagues in another building, make life easy for yourself and install LanTalk.
LAN messenger, Net send, LanTalk, Lan Chat, LanChat, Winpop, Winpopup, Instant messenger, Message, Send,