* Chatting;-)
* Bell for call the other party
* Unlimeted Chatters
* Chatters removeable
* Saveable Chat

Windows only

* Different Bell sounds

Linux only

* Daemonlike ChatServer
* Docking in SystemTray
* ChatClient autostart
* Asyncron file up- and download

I'm waiting for a windows version with this features, but as long as the server is not stable.
I have to wait a long time. If you request a feature please report it