activiti 源码包下载地址

https://www.activiti.org/get-started

activiti5.22：https://github.com/Activiti/Activiti/releases/download/activiti-5.22.0/activiti-5.22.0.zip

activiti6.0.0：https://github.com/Activiti/Activiti/releases/download/activiti-6.0.0/activiti-6.0.0.zip