Mine’s is the nightly version
LibreWolf
Firefox Focus on mobile with javascript disabled by default for news sites
deleted by creator
Nightly
The one that always ships late with my distro (Fedora) is my favorite, I guess, since it is the one I use :)
Iceraven on Android; it’s got extensions I use – notably SingleFile — that the main Firefox doesn’t have any more.
Old firefox XUL? When Add-ons isn’t restricted… Well old times… When search toolbar Spyware are everywhere… 😂
Firefox containers
For Firefox mobile, it was the Fennec engine where you could easily install any extension… It became a pain with the Fenix engine… I hate this addon collection thingy, it’s a pain to setup
The gecko demo that fit on 1 3.5" floppy disk.
Android. It has the extensions I need and is plenty fast as well.