
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: HeidiSQL is a free, open source SQL database management tool for Windows that supports MySQL, MariaDB, SQL Server and PostgreSQL databases. It provides a simple interface for browsing, creating and editing databases, tables, views, procedures, triggers and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API