SQL School - Data analysts training data analysts
SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
DrawSQL - Easy database diagrams. Create, visualize and collaborate on your database entity relationship diagrams.
GitHub Classroom - Your course assignments on GitHub