MChat is easy-to-use chat application which doesn't need much bandwidth cause of the protocol it's based on. MChat is also open source and based on thinksecret chat and open mac so if you have something to add to it you are welcome to do so. The souce code is available.
I was completelt unable to make this thing do anything but tell me that my "line 4c-db-3cxxx" file was corrupted.
I shant be trying to use this thing again.