Freeware
These tools provide a ton of value for the money (free!).
File Management Tools
- WinDirStat – Shows how space on your hard drive is used by directory.
- EasyCleaner – Clean your registry, temp files, duplicated files, and a lot more.
- Unlocker – An explorer extension that lets you unlock files so you can move or delete them when Windows can’t.
- Ycopy – A file and directory copy tool that will automatically skip locked files, instead of aborting like Windows would.
- WinEraser – Securely remove data from your hard drive by overwriting it several times.
Audio and Visual Tools
- Audiograbber – Digitally rip audio tracks from a music CD and mic/line inputs.
- Combined Community Codec Pack – All the audio and video codecs that your Windows PC could need to play anything.
- Gspot – Discover which codecs (video and audio) are required to play a movie file.
Network Tools
- Ethereal – Network protocol analyzer and packet sniffer.
- Netstumbler – Detects wireless LANs using 802.11a/b/g.
- Spiceworks – Scans your local network and catalogs all connected machines.
- PuTTY – a Telnet/SSH Client with xterm terminal emulator.
File Viewer Tools
- PDF995 – Creates PDF files by simply printing
- Ghostscript – Interpreter and viewer for PostScript language.
- QuickPar – Data verification and repair using PAR2.