Open source Kraken / Mermaid / Selkie / Leviathan / LZNA / Bitknit decompressor
Also supports using oo2core_7_win32.dll / oo2core_7_win64.dll which can be acquired from the free game Warframe on steam.
ooz v7.0
Usage: ooz [options] input [output]
-c --stdout write to stdout
-d --decompress decompress (default)
-z --compress compress (requires oo2core_7_win64.dll)
-b just benchmark, don't overwrite anything
-f force overwrite existing file
--dll decompress with the dll
--verify decompress and verify that it matches output
--verify=<folder> verify with files in this folder
-<1-9> --level=<-4..10> compression level
-m<k> [k|m|s|l|h] compressor selection
--kraken --mermaid --selkie --leviathan --hydra compressor selection
(Warning! not fuzz safe, so please trust the input)