vit.am is a Fediverse instance that uses the ActivityPub protocol. In other words, users at this host can communicate with people that use software like Mastodon, Pleroma, Friendica, etc. all around the world.
This server runs the snac software and there is no automatic sign-up process.
This is based on an idea/software by @technomancy@hey.hagelb.org: https://search.technomancy.us/. Follow the links at the bottom of the page for nice articles detailing his motivations and reasoning,
There's still lots of work but i'm pretty proud of my UI (i'm still quite a noob with CSS, so when i do something a bit coherent i'm happy) and tag searching works honestly great for now. I'll need to see in the future what happens when the bookmark collection grows.
I'm happy!