Developer website: Kiwi Fruitware
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.
What's New
Version 1.3u:
- Rewriten preferences
- Add metal option
- Universal Binary
- Rewritten help
- Fixed bugs
Requirements
Mac OS X 10.3.9 or later