leberschnitzel@apps they seem to have that for a long time, since I remember setting up a list like this when I first started with mastodon a year ago :ha:
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.