Adventure is the MacOS X version of the classic text adventure.
Bubble Pop is a simple board game, still having it's fair addiction risk.
IPSecuritas runs your secure VPN tunnels through the Internet with IPSec.
MoofMenu brings you back some MacOS 9 convenience.
Nuntius is the MUD client for MacOS X.
New version 3.5 out WinShortcutter integrates you better into Windows environments.