Cyclus Kernel Developer Guide

The Cyclus project repository is located at

Although you do not have to register with GitHub to download and edit the code, if you desire your work to be integrated into the Cyclus mainline of development you must fork the cyclus core repository into your own github account and submit ‘Pull Requests’.

Software Development Aids


A video history of our development (video created using gource):

  • The original full video

  • We also have a prior version representing development from March 3, 2010 to July 25, 2012

The Cyclus core developer team circa 1.0 release, 2014-05-30:


Relevant xkcd comics: