Top Alternatives to SQL Server Management Studio

HeidiSQL is a free and open-source client for managing databases including MySQL, MariaDB, Microsoft SQL Server, and PostgreSQL. It offers a user-friendly interface for browsing, editing, and manipulating data and schema.

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.

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.

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.

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 versatile and portable database management tool designed to handle multiple database systems from a single interface. It offers features for data exploration, querying, reporting, and schema management, catering to developers and database administrators requiring flexibility and broad database support.