geek.menu is a fork of the portableApps.com menu system.

It has many enhanced features (a complete list is available here such as support for:

truecrypt

categories

custom buttons

multi wallpaper switching

auto-executing apps on start

ejection scripts

special behavior for authorized PCs

local/www searchbar

Two versions of geek.menu are currently maintained.

The stable release (currently 1.0) has a limited set of features (although many more than PAM)

The experimental release is a quickly moving target with new features added regularly. These new features are not typically thourougly tested, although the menu tends to remain quite usable.