
Description: DbDesigner.net is a free, open source database modeling and design tool. It allows users to visually design database models, generate SQL code, and reverse engineer existing databases. The tool supports multiple database engines including MySQL, PostgreSQL, SQL Server, and Oracle.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Valentina Studio is a free, open-source database modeling tool for designing and prototyping databases. It allows users to visually model databases in an intuitive diagram editor, generate schema and queries, and manage database connections without needing any coding. Valentina Studio is cross-platform and supports MySQL, MariaDB, Postgres, SQLite, ODBC, and Valentina DB databases.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API