Jami is also an option

You can save tabs to a collection and it has the option to open all it’s tabs

Yes, it is emacs.

gruvbox colours in dark reader

Yes

Aard 2 (Offline dictionary) https://f-droid.org/packages/itkach.aard2/

Buuf

control+l is much easier

It is not fully private. You can browse without an account but cant use the site’s search. If you don’t want to create an account you can use a search engine like duckduckgo like adding site:rutracker.org to your query

You can find games like this one in rutracker which require no installation, decompression or dwarfs thing, only the files. Just like what you’d have after installing a repack

Vinland saga

sxhkd can do that but I have not tried it under gnome

rarbg.best

Handy reading

I dont use any but you can use lemmy as a blog

Emacs, tor, mpv, KDE, f-droid, python, qemu

https://wiki.archlinux.org/title/Arch_is_the_best