Personal fork maybe don't use it.
This is mainly to point to a stable origin for a very sensitive extension.
The upstream doesn't list the license, AMO does:
- https://addons.mozilla.org/sv-SE/firefox/addon/namless-redirector/license/
- https://addons.mozilla.org/en-US/firefox/addon/namless-redirector/license/
- https://addons.mozilla.org/api/v5/addons/addon/namless-redirector/versions/5725456/
- https://web.archive.org/web/20250516021851if_/https://addons.mozilla.org/api/v5/addons/addon/namless-redirector/versions/5725456/
So, WTFPL/custom "don't be a dick".