Lion 是一个新兴的开源PHP的框架，用以创造丰富的网络应用。
主要特点有：
MVC plus MVP architecture
Spring-style Dependency Injection (IoC based PHP framework)
Request dispatcher with Intercepting filter
Powerful custom URLs rewrite engine
Event-driven PHP architecture
Native AJAX components
Reverse AJAX
Authentication and Authorization
I18n
Cache management
.Net-style configuration management
Form validation (component based validation)
Template based views
PHP component-based data sanitization
Logging system
Session-based context containers
Web-based project administration
项目主页：http://code.google.com/p/lion-framework/
来自:开源中国社区
