CanJS is a MIT-licensed, client-side, JavaScript framework that makes building rich web applications easy. It's unique annotated style and OOP approach lays the foundation for powerful MVC architectures.
jQuery is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is designed to change the way that you write JavaScript.
Sleek, intuitive, and powerful front-end framework for faster and easier web development.
Slim is a PHP micro framework that helps you quickly write simple yet powerful web applications and APIs.