ASP.NET Zero is an advanced framework designed to expedite the development of new web applications. It offers a modern UI and a robust SOLID architecture, providing a comprehensive starting point with full source code. This platform eliminates the need to build fundamental features from scratch, such as login systems, user management, and multi-tenancy. With its layered and clean codebase, ASP.NET Zero allows developers to concentrate on business-specific logic while ensuring scalability and customization. It includes features like tenant management, role and permission handling, and logging, making it an essential tool for efficient and high-quality application development.