
Description: DBDiagram.io is a free online database diagram drawing tool that allows users to visually design and model relational databases. It provides an intuitive drag and drop interface to create tables, relationships, views, keys, indexes and more. The diagrams can be exported as SQL scripts, PDF documents or PNG images.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Advanced Query Tool is an open-source data querying and reporting tool that allows users to connect to databases and files to visually build SQL queries. It has an easy-to-use graphical interface to generate complex queries without coding.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API