BCM v1.30
Description
BCM is a high-performance file compressor that utilizes advanced context modeling techniques to achieve a very high compression ratio. All in all, it's like a big brother of the BZIP2.

Quick Benchmark
ENWIK8	Compressed Size
Original	100,000,000 bytes
GZIP -9	36,445,248 bytes
BZIP2 -9	29,008,758 bytes
7-Zip Ultra	24,864,804 bytes
BCM -b100	20,789,667 bytes
Author
Ilya Muravyov

Thanks
Special thanks to Yuta Mori, Matt Mahoney, Eugene Shelwien, Alexander Rhatushnyak, Przemyslaw Skibinski, Malcolm Taylor and LovePimple.