GraphHopper

I can’t speak for your particular interests, but in my experience there is something for pretty much every niche. That’s what keeps YouTube in their dominant position as well.

Proton can also be used by other tools like Bottles. It’s very similar to Lutris but with a more general purpose focus, rather than just gaming.

Firefox Relay is the best platform agnostic option in my opinion. It’s free to use for the basic variant and with Relay Premium you support Mozilla and can use custom domains as well.