I wrote a fundraiser article about the FSF tech team: https://www.fsf.org/blogs/sysadmin/join-the-fsf-and-support-the-tech-team
If you don't know what the FSF tech team does, it is fascinating.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.