Get the Nujel source code
Nujel is Free Software, licensed under a permissive MIT License and built in the open. As such you get full access to the source code hosted on SourceHut or, if you prefer, you can also get it on GitHub.
Get this Website's source
This Website is also available as Free Software, it currently shares a repository with the static site generator which powers this very site. You can check it out over on SourceHut.