web clients:

nostrudel.ninja

jumble.social

nostr:npub1yzvxlwp7wawed5vgefwfmugvumtp8c8t0etk3g8sky4n0ndvyxesnxrf8q

i think the gossip client can be run on linux. i'm sure there are a few more.

https://github.com/damus-io/notedeck

microblogging:

https://github.com/mikedilger/gossip

chat:

https://github.com/lumehq/coop

git stuff:

https://codeberg.org/dluvian/gitplaza/