Quick and simple free tool to help you draw your database relationship diagrams and flow quickly using simple DSL language.
DBeaver is a free multi-platform database tool for developers, SQL programmers, database administrators and analysts. Supports all popular databases: MySQL, PostgreSQL, MariaDB, SQLite, Oracle, DB2, SQL Server, Sybase, MS Access, Teradata, Firebird, Derby, etc.
Apisentris is a platform that turns database schema into RESTful API. Apisentris is built with developer-in-mind. It makes you develop APIs effectively and easily although you don't understand progamming language.