SpringSide is a Spring Framework based JavaEE application reference architecture. 
  
  It shows the mainstream technologies and pragmatic practice in JavaEE world.  
  
  It has 3 major examples:
  
  1. Mini-web focus on the minimal CRUD web application
  2. Mini-service focus on the SOAP and REST web service.
  3. Showcase demonstrate many other interesting technologies.
 
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Offical Site: http://www.springside.org.cn