PmWiki是Patrick Michaud用PHP程式语言写成的共笔系统。PmWiki的主要目标是希望设计一套网页工具，让网站容易集合多人协作，而维护也简单。-Patrick Michaud PmWiki is written in PHP programming language co-pen system. The main objective is to design a set of PmWiki web tools that let people collaborate websit