Top Alternatives to HeidiSQL

phpMyAdmin is a widely-used, free, and open-source web-based tool designed for the administration of MySQL and MariaDB databases. It provides a user-friendly interface for managing databases, tables, columns, relations, indexes, users, permissions, and more, all through a web browser.

MySQL Workbench is a powerful and user-friendly visual tool for database architects, developers, and DBAs. It provides a unified environment for database design, development, management, and administration.

Sequel Pro is a powerful and native macOS database management tool specifically designed for MySQL databases, offering a clean interface and efficient workflows for developers and database administrators.

DBeaver is a powerful, open-source database tool for developers, database administrators, and analysts. It provides a universal and intuitive interface for managing databases, writing SQL queries, generating ER diagrams, and exporting/importing data for various database systems.

Valentina Studio is a powerful, free database management tool for database administrators and developers. It offers a comprehensive suite of tools to manage and query various database types, including MySQL, PostgreSQL, SQL Server, MariaDB, SQLite, and its own Valentina DB. With robust features ranging from schema editing and SQL query building to ER diagramming and reporting, Valentina Studio simplifies complex database tasks.

Navicat is a powerful and versatile database management and development tool, providing a comprehensive graphical interface for working with various database systems. It simplifies tasks from database design to administration and querying across multiple platforms.

Adminer is a free, single-file PHP tool for managing databases. It supports a wide range of database systems including MySQL, PostgreSQL, SQLite, MS SQL, Oracle, and more. Adminer provides a clean and efficient interface for database administrationtasks.

SQuirreL SQL Client is a robust, open-source database administration tool built on JDBC. It provides a universal platform for interacting with various databases, offering features like SQL editing with syntax highlighting and code completion, visual query building, and schema browsing.

Skipper provides perfect ORM Definitions in a few seconds.

dbForge Studio for MySQL is a comprehensive GUI tool designed for MySQL and MariaDB database development, management, and administration. It provides developers and administrators with powerful tools for coding, debugging, comparing, synchronizing, and reporting on database structures and data, streamlining common tasks and increasing productivity.

pgAdmin is a comprehensive open-source administration and development platform designed specifically for PostgreSQL databases. It offers a rich set of features for database management, querying, development, and monitoring, catering to both novice and experienced database professionals.

DbNinja is a robust web-based application designed for the secure and efficient management of MySQL database servers. Offering a comprehensive suite of tools, it allows users to perform essential database tasks, including backup, data import/export, and server administration directly through a web browser.

SQLyog is a powerful and reliable GUI tool for database administration, development, and management of MySQL and MariaDB databases. It offers a rich set of features for effortless database tasks, from schema design and data manipulation to server management and backup operations.

SQL Server Management Studio (SSMS) is a software for configuring, managing, and administering all components within Microsoft SQL Server.

DataGrip is a powerful, cross-platform IDE designed for database administrators and developers, providing a unified environment for managing multiple databases with intelligent coding assistance, schema navigation, and integrated tools.

Toad for MySQL is a comprehensive database management toolset designed for developers, administrators, and analysts working with MySQL and MariaDB databases. It offers a rich set of features for development, administration, and reporting.

Enhanced SQL Portal is a full featured MySQL database.

dbForge Studio for SQL Server is a comprehensive IDE for SQL Server development, administration, and management. It provides a wide array of tools including robust database design, coding, debugging, comparison, synchronization, and data management capabilities, significantly improving developer productivity and database performance.

Database .NET is a multiple database management tool.

Aqua Data Studio is a tool for database modeling.