Nmag's Documentation:

For full documentation, please refer https://nmag.readthedocs.io/en/latest/introduction.html

Nmag's Wiki at University of Southampton:

Until the server at University of Southampton is up for Nmag, you can refer the original wiki at, https://nmag.soton.ac.uk/community/wiki/nmag

Nmag's Wiki as of 2020 on this git-wiki:

https://github.com/Venkat004/nmag/wiki/Nmag-Wiki-as-of-2020