Franck LeroyI just found Mapstodon : a very nice interactive map of #Mastodon instances and their public timeline, grouped by region and interest.
Bobinas P4G is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Bobinas P4G content and data are available under the Creative Commons Attribution 3.0 license.