BeeBEEP is the free instant messaging application voted the number 1 in the world by 250,611 professionals who use it every day. BeeBEEP does not need a server to work. This simplicity makes it the best solution available in the world for offices that want to maintain a high level of privacy. BeeBEEP is very easy to use. Install it now on your computer and immediately start exchanging messages and files with your colleagues in a safe and private way.
To be perfectly honest. Probably the most horrible website text I’ve ever read. But the software on the other hand might be exactly the thing I was looking for. (anyone know of any other open source alternatives out there?)
Not really (LAN Messenger?), all other are discontinued or free proprietary soft. For only file transfer there are Arbore, all others, are proprietary or R.I.P.