Unified Back End (UBE) is intended as a shippable back end for Python 3 application development.
UBE has a tree-oriented EAV database structure and XML based database updater functionality to create and update that structure and others on Postgres, MySQL, DB2, Oracle and MS SQL Server. It uses the QAL project functionality to achieve this.
Many components, like the updater, can be used separately. The API supports CRUD and related auditing. Credentials/rights/permissions are coming...