You can message and share files inside your intranet without a server.
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Lightning fast peer-to-peer cross-platform messenger
A small, reliable, local network messenger that doesn't need internet
Video live support solution for unlimited departments and moderators.
An intranet chat application that does not require a server.
P2P instant messenger
A P2P Messenger which uses JXTA. It provides secure RSA/AES end-to-end