CGC Repositories

Cyber Grand Challenge has released the CGC DECREE Operating System and examples via two mediums: github, and a binary repository.


All of the released CGC source code exists on Github at

The individual CGC repositories can be found on the above page and checked out via:

git clone
Cloning into 'binutils'...
remote: Counting objects: 7, done.
remote: Compressing objects: 100% (5/5), done.
remote: Total 7 (delta 0), reused 7 (delta 0)
Unpacking objects: 100% (7/7), done.
Checking connectivity... done.

For those new to git, github is a good source of help at


The CGC binaries can be found at These include a Vagrant Virtual Machine and the debian package files.