Agile UI is a stand-alone framework that implements all the necessary components to build fully-featured and interractive user interface for your PHP application. Developed by Agile Technologies
License: Open Source
Agile Toolkit is designed for rapid development with a focus on UI components and ease of use, making it ideal for building applications quickly. In contrast, Kohana is a more traditional MVC framework that offers a robust structure for web applications but may require more setup and has a steeper learning curve.