Except where otherwise noted, content on cosine.blue is available under a free/libre copyleft licence and attributable to me, Gregory Chamberlain.

All original text and images are available under the Creative Commons Attribution-ShareAlike 4.0 International.

All original code is available under the terms of the GNU General Public License Version 3 or, at your option, any later version. This includes any code and inline documentation as well as the source code of the website itself.

For any further questions feel free to contact me.