dat files

NBFree WMA to MP3 Converter is a tool l to convert wma files to mp3 files.

NBFree MP3 to WAV Converter can convert mp3 files to wav files.

Application virtualization system for Windows. Allows embed files and registry.

Find and convert MIDI files to sheet music. Watch the notes as you listen.

Free ZIP files utility, open 7Z ACE ISO TAR RAR ZIP ZIPX archives (200+ formats)

Editor for text-based files with many extras and UTF-8 support.

Free, portable zip utility, open 7Z ACE ISO TAR RAR ZIP files (200+ formats)

DupScout is a free, fast and easy-to-use duplicate files finder utility.

Edit, sort, compare, merge, encrypt and decrypt huge files.

Quad Explorer Q-Dir, really good file manager for Windows files and folders