The most part of toolset is distributed under GNU public license. Ammunition is distributed under Library GNU public license (except for Earley parser).
Brief description of COCOM and its components is here.
If you are interesting only in Dino interpreter, you better go Dino page.
The latest release documentation for the separate components is here
All documentation is generated with Linux sgml package. The documentation in Postscript format (see it in distribution files) looks better than in other formats.
To download COCOM goto to download page.