 LZMA SDK is written and placed in the public domain by Igor Pavlov.

 Some code in LZMA SDK is based on public domain code from another developers: 1) PPMd var.H (2001): Dmitry Shkarin 2) SHA-256: Wei Dai (Crypto++ library)

 Anyone is free to copy, modify, publish, use, compile, sell, or distribute the original LZMA SDK code, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means.

 LZMA SDK code is compatible with open source licenses, for example, you can include it to GNU GPL or GNU LGPL code.