phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
SQL School - Data analysts training data analysts
Microsoft SQL - Microsoft SQL is a best in class relational database management software that facilitates the database server to provide you a primary function to store and retrieve data.
Adminer - Adminer (formerly phpMinAdmin) is a full-featured database management tool written in PHP.
DrawSQL - Easy database diagrams. Create, visualize and collaborate on your database entity relationship diagrams.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.