During Online Meeting May 2020, it was mentioned that
two other hosting federations (the tildeverse.org and chatons.org) who each have their own JSON format to store info about member hosts
src/data/chatons-services.json · master · CHATONS / Entraide Chatons · GitLab ← used for entraide.chatons.org
http://protocol.club/~datagrok/beta-wiki/tdp.html