Program/Utility

What it does

Ad-aware

From Lavasoft :: Scan your computer's memory, registry, hard, removable and optical drives for known datamining, aggressive advertising, parasites, scumware, keyloggers, selected traditional trojans, dialers, malware, browser hijackers, and tracking components.

CDex

From Albert L. Faber :: Extract sound files from a CD-ROM and convert WAV files into several other (compressed) formats, like the popular MP3 format.

Clip Trak

From Richard A. Ellingson :: Automatically saves text you copy to the Windows clipboard, and gives you easy access to it for later use.

From DivX Networks :: DivX codecs and player application bundle.

From CyberGame2000 :: Allows you to convert DVD to VCD 2.0 / SVCD 1.0 / AVI in one step (Including multiplexing, splitting). It produces good quality movies in AVI / MPEG 1/2 format and you don't need to have 5GB free on your hard disk.

From Freshdevices Corp. :: Easy-to-use download manager software without the ads.

From Irfan Skiljan :: Fast image viewer and converter.

File sharing without spyware.  Also includes a DivX codec pack.

Phrase Express

From Typing Master :: Formerly QuickPhrase, it's a handy typing utility with which you can add your favorite phrases to any Windows program.  Also has a powerful macro function.

Pow!

From AnalogX :: Programmable pop-up stopper.

From Tong Narak :: Modem bandwidth usage monitoring utility, for those who would like to keep track of their online usage.  Comes with a nice GUI and bandwidth graph monitor.

From Jim Willsher :: A simple utility which allows you to convert from dozens of units of measure, in a variety of categories, to other units of measure.

From LionMax Sofware :: Share your files with friends by giving them access to your computer as if it's a server.

From Frontcode Technologies :: File sharing without spyware.