Activiti BPM Platform工作流的一些资料
Activiti官方： http://www.activiti.org/
Activiti工作流详解一 http://hong114126.iteye.com/blog/1345257
Activiti工作流详解二 http://hong114126.iteye.com/blog/1345265

Activiti Explorer(Activiti 资源管理器） http://www.blogjava.net/lewhwa/archive/2010/11/27/BPM-Activiti-Explorer.html