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 free, open-source tool primarily focused on MySQL and MariaDB, offering a lightweight and easy-to-use interface. In contrast, Navicat is a commercial software with extensive features and support for multiple databases, making it suitable for larger teams and more complex database management tasks.