GRZipII

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GRZipII - is a high-performance file compressor based on Burrows-Wheeler Transform, Schindler Transform, Move-To-Front and Weighted Frequency Counting. It uses The Block-Sorting Lossless Data Compression Algorithm, which has received considerable attention over recent years for both its simplicity and effectiveness. This implementation has compression rate of 2.234 bit/s on the Calgary Corpus(14 files) without preprocessing filters.

NOTE: GRZipII can't compress/uncompress pkzip/winzip files (*.zip)." quote from [1]

[edit] External links

• Official page - you can download the source, and binaries for Win, Linux and Mac there. Also, there's documentation that was used in creation process. Some tests are provided.