ProFed
joinprofed.social
This project explores what professional networking could look like in the Fediverse. Built on ActivityPub. Early-stage, under active development. Bring your professional profile into the network Connect and interact across communities Find opportunities beyond a single platform Your professional profile, your interactions, and your visibility are shaped by the platform you use. You can participate, but not define how things work or how you are seen.

I suppose the goal is to create an alternative to LinkedIn or Xing. It’s still in its infancy, but I think it’s a remarkable idea.