Softros LAN messenger - LAN messenger for an internal office chat for home or business users. It does not require a server and is very easy to install and use. It supports personal chats, group chats, message brodcasting, files transfer and remote desktop access.
botwick - Build your own SMS-based text bot
MyChat - Secure instant messenger for any network
Scout - Scout ♥ monoliths.
BORGChat - BORGChat is a LAN messaging software program.
Talera - Meet your new AI powered recruiting co-ordinator.