jojoI got the idea from @humanetech and transformed into a list.
Here is the Delightful Libre Hosters, a list of people and organizations who deploy, maintain and offer open source services to the public.
Chirp! is a GNU Social instance for the Cooley and Sekula families and their friends.
Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Chirp! content and data are available under the Creative Commons Attribution 3.0 license.