SpringSide is a Spring Framework based JavaEE application reference architecture. 
  
  It shows the mainstream technologies and pragmatic practice in JavaEE world.  
  
  It has 2 major examples:
  
  1. Quickstart -- a minimal CRUD Todo-List web application.
  2. Showcase -- demonstrate many other interesting technologies.
 
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Offical Site: http://www.springside.org.cn
Document: https://github.com/springside/springside4/wiki