They make custom case badges, labels, and inventory tags.
An alternative to Twitter's verified program powered by Keybase.
Proven is a browser extension that adds badges like for keybase, github, etc next to users names like Twitter's verified badge but based what accounts the user has posted proofs for Keybase. See the screenshot for what it looks like.
In addition to twitter, it adds badges on Hacker News too.
Available for Chrome and Firefox.
A store chock-full of C'thuliana, from stickers to shirts to books. Fun to poke around in.
Create your own badges and ID cards. Not really official looking, but gamers will find it useful for making prop ID cards.
Just what the title says - merit badges for nerds!