6. DriverMax 6
This free and handy tool can check your computer for old, outdated hardware drivers and provide links to improved and up to date versions. It can also help you to back your old drivers into a singles zip file. By updating the drivers for your hardware, you boost your PC’s performance and even add new features and capabilities.
7. Windows Defender Offline Beta
Its a Microsoft free anti-malaware product, Windows Defender, is included as part of the operating system, and can help to identify and remove a wide range of threats. Windows Defender Offline Beta can help remove such hard to find malicious and potentially unwanted programs using definitions that recognize threats.
8. Gimp
One of the best free software for retouching images. It does most of the same things that Photoshop does. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring.
9. Freemake Audio Converter
Convert audio free to MP3, WMA, WAV, FLAC, AAC, M4A, OGG, convert audio to MP3 player, iPod, iPhone, iPad, PSP, extract audio from video, join audio files.
10. Xmarks
Its a free and useful app which allows you to sync bookmarks between different browsers. Install Xmarks on each computer you use, and it seamlessly integrates with your web browser and keeps your bookmarks safely backed up and in sync.
Nice list.
How about Revo uninstaller?