If you are looking for a Facebook alternative, then Arbtr might be your thing. Returning to the basics of social networking, this Kickstarter project aims to create an "anti-feed" where users can share a single thing at a time. The project has just been posted and there are 30 days left to meet the US$32,551 goal.
https://www.notebookcheck.net/Kickstarter-project-Arbtr-aims-to-bring-social-networking-back-to-the-basics.293774.0.html