Latest working software versions (Mac OS X 10.1.5)

Ever wonder what version of a software package will work with Mac OS X 10.1.5? This list will give you the latest working version.
===Works===
* VLC Media Player: Version: 0.5.3
* FireFox: Version: 1.0.5
* AOL Instant Messenger: Version: 4.7
Category:Mac OS X 10.1
===Does Not Work===
* Chandler: Version: 0.4, (bug filed)