SQL Server Management Studio (SSMS) is a software for configuring, managing, and administering all components within Microsoft SQL Server. Developed by Microsoft
License: Commercial
SQuirreL SQL is an open-source, cross-platform SQL client that supports multiple database types, making it versatile for various applications. In contrast, SQL Server Management Studio is a powerful, feature-rich tool specifically designed for Microsoft SQL Server, offering advanced management and debugging capabilities but is limited to Windows environments.