social.linux.pizza is one of the many independent Mastodon servers you can use to participate in the fediverse.
A instance dedicated - but not limited - to people with an interest in the GNU+Linux ecosystem and/or general tech. Sysadmins to enthusiasts, creators to movielovers - Welcome!
I keep forgetting this, but on many #kde applications you can type `ctrl-alt-i` and have a krunner type interface but for the tools inside the program you are in.