Late discussion tbh, here what he said
If somebody wants to continue this project, they would have to host the API themselves and start with a new database. In the privacy policy, I stated that I wouldn’t share personal data with third-parties, so I can’t and won’t give anyone access to the database. All data will be deleted on the 14th (Jun).
About taking over the development of the Leaderboard · Issue #238 · ThoreBor/Anki_Leaderboard · GitHub