Open source Kraken / Mermaid / Selkie / Leviathan / LZNA / Bitknit decompressor
Can also compress Kraken / Mermaid / Selkie / Leviathan
Also supports using oo2core_7_win32.dll / oo2core_7_win64.dll which can be acquired from the free game Warframe on steam.
Credit for the original goes to powzix
Forked by rarten and then ADawesomeguy to support Linux and WolvenKit (rfuzzo and Seberoth additionally helped with WKit support)