C language complearn library
This library calculates Normalized Compression Distance (NCD) matrices. It can be used for pattern recognition or machine learning applications.
Please discuss on the following forums:
Normalized Compression Distance Research List
https://groups.google.com/forum/#!forum/ncd-research-list
NCD is used in a wide variety of fields.
./autogen
./configure
make
sudo make install
Then link with -lcomplearn in your linker line to use this library.