mastering compressor

Use a Win32 PE executable file compressor.

libavcodec based QuickTime Media Compressor component.

GUI4UPX is a simple frontend for the great compressor UPX.

A new zip compressor for Windows.

Xstreme Single File Compressor/Decompressor

bzip2 is a freely available, patent free, high-quality data compressor.

It is a dual-band stereo compressor.