wekan/docs/Databases/PostgreSQL.md

FerretDB

Replacing MongoDB with FerretDB/SQLite or FerretDB/PostgreSQL. Needs testing, what are correct settings.

https://forums.meteor.com/t/ferretdb-1-18-now-has-oplog-support-trying-replace-mongodb-6-x-with-ferretdb-postgresql-or-ferretdb-sqlite/61092

ToroDB

ToroDB is not developed anymore. ToroDB was about adding MongoDB proxy to PostgreSQL or MySQL.

https://github.com/wekan/wekan/tree/main/torodb-postgresql