Jon@goatsarah@thegoatery.dyndns.org your experience is probably typical. Most misskey users are on misskey.io and other Japan-focused sites so mostly federate with other Japan-focused sites.
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.