WinSnap NTWind Software
Hidden Start is a small startup manager that allows console applications and batch files to be started without any windows in the background. It can start multiple applications in the specified order and handle UAC privilege elevation under Vista.
Visual Subst is a small enhancement utility that allows you to associate the most accessed directories with virtual drives. It uses an API similar to the console `subst` utility, but makes it easier to create and remove virtual drives in a GUI way.
TaskSwitchXP is an advanced replacement for the standard Windows Alt-Tab dialog with previews and powerful task management capabilities.