CoGe was developed has been developed by many people at many universities and has a liberal open source license. Use as you wish: https://github.com/LyonsLab/coge/commit/ad7eccfd01b9574284bdec31a04639e22bcc6765
CoGe's Source Code
Available on GitHub: https://github.com/LyonsLab/coge
CoGe is a fairly complicated system with many software components (some of which are developed by third parties).
The CoGe team periodically does new installations of the full software stack and tries to keep these installation documents up to date: https://genomevolution.org/wiki/index.php/Install_coge