FreeCommander 2007
Windows Explorer Alternative

SpaceMonger
Tool for keeping track of the free space on your computer

Directory Lister
Directory Lister lets you list files in selected directories into a HTML or TXT file

VisualCron
A free visual cron/task scheduler for Windows

CatFish
Allows you to save snapshots of the directory/file structure of your disks and to search through them at anytime

Dependency Walker
scans any 32-bit or 64-bit Windows module and builds a hierarchical tree diagram of all dependent modules

DIR2HTML
Create a HTML index from a file system directory

Task List Guru
One of the best free to-do-list

TreeSize
TreeSize tells you where precious space has gone to

MultiScheduler
Alarm clock and much more.

Cathy
An extremly small, very fast and easy to use media cataloging tool

TotalSize
Explorer add-in that provides information about folders size