Links to usefull freeware software ...

Audacity

(Windows, MacOS and Linux)

Audio editing\converting software

Webpage

7zip

(Windows)

File and Folder compression tool

Webpage

XNView

(Windows, MacOS and Linux)

Photo editing, cataloging and converting software

Webpage

Gimp

(Windows, MacOS and Linux)

Image editing and design creation software

Webpage

ImgBurn

(Windows)

CD\DVD recording software

Webpage

Open Office

(Windows, MacOS and Linux)

Text, Spreadsheet, Graphic and Database Software

Webpage

Auslogics Disk Defrag

(Windows)

Good Disk defragmenter,

faster than windows built-in defragtool.

Webpage

Ultimate Windows Tweaker

(Windows)

Windows Vista and Seven tweak tool, offers an easy way to modify several functions.

Webpage