Check out Organic Maps: https://organicmaps.app/

You have kDrive and kSuite, but missing Infomaniak’s excellent Mail app & service

But what about things like http://bird.makeup/? How do these bridges work?

Right but approved by whom? I doubt Firefox’s X account is reviewing followers manually

I like the spirit but that’s a bit too much work for me. I’d like something readily available to order and ship!