zip file

Batch file comments utility.

Shrink PDF file sizes.

Official client of the BitTorrent file distribution network.

Personal file synchronization and backup tool.

Validate file checksums.

Simplified audio file conversion.

Recover lost data for HFS+ and other file systems.

Recover lost data from HFS+ and other file systems.

Spy and record all your keyboard keystrokes in a log file in the background.

Private file management.