What is the difference between Struts and Spring?

STRUTS	SPRING
Struts is a web framework	Spring is not a web framework
Struts is not a layered architecture	Spring is layered architecture
Struts framework is heavy weight	Spring is light weight framework
Struts framework supports tag libraries	Spring does not support any tag libraries
Struts is tight coupled	Spring is loose coupled framework
We need to write code manually for integration in struts	Spring provides easy integration with ORM technologies
Struts can easily integrate with other client side technologies	It is not easy in case of spring like struts