silverpill@Lan Self-hosting is the best. The only downside is that it is not free, you need to pay for hardware and domain name, spend time on various admin tasks. But as software improves the costs of running it are falling too.
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.