liblzma
 
Configurable compression library based around the LZMA algorithm with zlib-like API. liblzma is the heart of the xz-utils used to handle the .lzma and .xz file formats. It is based on 7-Zip's LZMA SDK.

Website: http://tukaani.org/xz/
Platforms supported: Win32, Linux, DOS
Headers to include: lzma.bi
Header version: 5.0.2
Examples: in examples/compression/