Honestly, it’s a information goldmine. You’ll get answers to most obscure questions and in detail. All others sources on the internet are either fluff or endorsements. It it also inconvenient to have to visit two websites that does same thing. So people don’t want to abandon what they are habituated to.

+1. I accidentally stumbled upon that one day and it’s been great since then.

Bitwarden-password manager Joplin - notes Kde Connect- laptop connections for file transfer, notifications etc Syncthing- file syncing

All of these are available of F-droid.