Download the file Medusa.tar.gz, containing all the code. To open it, first type "gunzip Medusa.tar.gz". This will create a file Medusa.tar. Then type "tar xvf Medusa.tar". This will create a directory called Medusa, which contains all the source code files. To compile, type "make all". To remove all executables (if you've changed something and want to recompile), type "make clean".
Medusa's user interface is minimal, so programs should be easily portable to any platform. All necessary source code files are below. If you do make a windows or mac version, please notify us at math@math.cornell.edu, with ATTN: dynamics group in the subject, or shruska@msm.umr.edu.