WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Yout - YouTube to Mp3 Converter
TreeSize - TreeSize tells you where precious disk space has gone to.
You-Get - Command-line utility to download media contents from the web