Marjon@nachtfunke there is this: https://a11ysupport.io/tech/aria/
But I don't really use it, so I can't tell you how well-maintained it is.
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.