Michael T. BaconMastadon is already restoring my faith in the possibilities of social media. Obviously a long way to go to build up the power that's remotely in the order of magnitude the Silicon Valley giants, but the discussions on social.coop are awesome.
Jonkman Microblog is a social network, courtesy of SOBAC Microcomputer Services. It runs on GNU social, version 1.2.0-beta5, available under the GNU Affero General Public License.
All Jonkman Microblog content and data are available under the Creative Commons Attribution 3.0 license.