LZFSE

LZFSE (Lempel-Ziv, Finite State Entropy) is a data compression algorithm and compressed data format developed by Apple. The source code was released around July 2016.

Identification
LZFSE data begins with (at least on little-endian systems?).

Links

 * Mac Developer Library: Data Compression
 * GitHub repository
 * InfoQ: Apple Open-Sources its New Compression Algorithm LZFSE