Speed up your development process. F3 is fast, lightweight, and easy to use. It doesn't get you in the way. It has a gradual learning curve, so you can save money on training costs. F3 is a great tool for beginners and experts alike. F3 does not require complex configuration or unnecessary installation procedures. A powerful, yet easy-to use PHP micro-framework that helps you build dynamic and robust websites. Easy to learn, full-featured toolkit with a code base of just 90kb. Take advantage of built-in features. Create apps that rock. F3 provides a solid base, mature code, and a no nonsense approach to developing web applications. The web development toolkit is easy to use, has a high-performance URL router, a multiprotocol caching engine, code highlighting and supports multilingual i18n apps.