Expert Plus 🍀Mitra, honestly, isn't a bad social network.....the problem is, as well as with Friendica, that Mastodon killed Fediverse.
Which means small amount of users for other social networks that use Activity Pub protocol.
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.