What are some alternatives?
When comparing Fupio and Mastodon, you can also consider the following products
MySocialApp - Seamless Social Networking features for your app
Diaspora - The online social world where you are in control.
Manyverse - A social network off the grid
Twitter - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
JobEnabler.ORG - Jobs for people with disabilities
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.