QsT SQL Tools - ORM system based on Qt 4.6.0 (and higher) to improve programming databases with Qt. QST has a little functionality to make simple SELECT, INSERT, UPDATE, DELETE and EXEC queries. It uses PostgreSQL but can be ported for other language
The Tenor Framework is a set of utilities to improve development of web projects, although it can be used on desktop projects. The main goal is to simplify mapping relational tables to entities, in a simple and maintainable way.
Abstracts developers from SQL syntax, with methods that return Strings to pass on to JDBC, thus allowing compile-time checking for, many, otherwise run-time bugs. e.g. stmt.executeQuery(SqlWrapper.selectId(ordersTable, customerColumn, "John Smith")
Oxygen Persistence Framework (http://oxygen.io) - highly flexible, high performance, layered object relational mapping framework with clustered loading, oosql and pluggable feature architecture. It is used in large projects already.
Unlimited organizations, 3 enterprise SSO connections, role-based access control, and pro MFA included. Dev and prod tenants out of the box.
Auth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.