What software to choose for organizing a chat for a local network?

Question

Chats

Recommend a chat for a local network (30 computers). Something simple that does not require Internet access with the ability to send private messages and receive notifications about them. A typical Windows desktop application.

Answer 1

Under Windows there is Vypress Chat.

Answer 2

Of the messengers with the planned support for conferences, this is bimoid. Pure chats are commfort and mychat. The rest is sadly complete.

Answer 3

Openfire server + compatible client like Spark

Answer 4

I solved the same problem a couple of months ago. I tried a lot of things, eventually settled on Open Fire + Pandion with authorization through AD. Works amazing. Moreover, the server is available both on linux and under windows.