Picombo 是一个基于 Rack 的 Ruby MVC Web 框架，主要设计原则来自于 Kohana PHP 框架，是一个快速、轻量级和易用的框架。
主要特点：
Namespaced - All built in classes of Picombo are namespaced
Smart Class Autoloading - All built in classes of Picombo are autoloaded when they are called
Filesystem Extensions - Allows common functionality to live in a common place, and be "plugged into" your application
Cascading File System - The entire filesystem of Picombo is cascading. Your application files merge with extension and system files
Powerful Routing - Use regular expressions to build advanced routing schemes
Lightweight - The tar.gz file is less than 10KB
项目主页：http://www.picombo.net/
下载地址：http://dev.picombo.net/projects/picombo/files
来自:开源中国社区
