Too many to list so will limit myself to some of those I can find here. In no order:

nostr:npub1vyw6twg3kwef27wdffsxawmvcycy407cehx3kj8xn0v0v5nwrgps6plpqe,

nostr:npub1dck0p7jr7p89rjvnr5cr3pyv9vymj580vyx7yw87exm0hucsq4pswnvd6y,

nostr:npub1235tem4hfn34edqh8hxfja9amty73998f0eagnuu4zm423s9e8ksdg0ht5,

nostr:npub1d68csfa6zedqy8snkapyavfgsfv07szsj304w5h3eerh7k3v7y6q36zk0p,

Pop!_OS nostr:npub1jamd57lzvcv9uc4gqf4ym32nx6pexd024l4c04p9f5j3m079865qmsrq8p,

nostr:npub1nlfhzd86e404nstehewx0ptcv0rvhw6l09064ah0e4pkjrlzzhcqwsq29e,

nostr:npub12ax24q7tuuw52rhwu9h48fts75ueaqjnkxpaev0qasq9ula8s3uq8m45dk,

nostr:npub18u2gyraq26fvjja05q420wtayf6xettkn8swcahcvezc68tfutlq0jt7sl Firefox, Thunderbird & Firefox Relay.