switching.social@thibaultamartin @mobilizon @Framasoft
Indeed! And they also provide dozens of well-maintained public instances of FLOSS projects:
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.