Ashampoo UnInstaller Platinum Suite 1.0.0.0 - a very good uninstaller. Ashampoo UnInstaller removes the program itself, all it's temporary files and registry entries. Additionally Ashampoo UnInstaller can find and remove dupes, temporary files, empty folders and other garbage. Ashampoo UnInstaller can show you what fonts your system has (with the feature to remove them), clean internet cache, make backup copies of the system files with the feature to restore them later.
Download Ashampoo UnInstaller Platinum Suite 1.0.0.0 here

CCleaner 1.17.090 - crap cleaner. CCleaner removes remporary files, cleans history, cookies etc. CCleaner searches not only for standard garbage (gid, tmp, bak) files, but also removes program specific things like Adobe Acrobat, eMule, Google Toolbar, Kazaa, Microsoft Office, Nero Burning ROM, Opera and WinRAR.
Download CCleaner 1.17.090 here

Sony Sound Forge 7.0b Build 301 - photoshop for sound. Sound Forge is a powerful sound editor with a powerful set of tools, effects and much more for creating whatever you want from a music fragment. You can convert ABBA to something like Rammstein with a good approach.
Download Sony Sound Forge 7.0b Build 301 here