HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and free to use. Developed by Ansgar Becker
License: Open Source
HeidiSQL is a lightweight, Windows-only database management tool that offers fast performance and a user-friendly interface, making it ideal for users seeking a simple solution. In contrast, SQuirreL SQL is a cross-platform, Java-based tool that provides extensive features and plugin support, catering to users who require a more robust and customizable database management experience.