There are many JSON libraries for Java. While it’s nice to have many options, it can also be frustrating to decide which one to use. If you do an online search, you will find many opinions and all these libraries are used somewhere. When in doubt, the best thing to do is: stop searching and start coding. It doesn’t take long to get the ultimate answer for you.
My company has created products like vSearch ("Super vCenter"), vijavaNG APIs, EAM APIs, ICE tool. We also help clients with virtualization and cloud computing on customized development, training. Should you, or someone you know, need these products and services, please feel free to contact me: steve __AT__ doublecloud.org.
Me: Steve Jin, VMware vExpert who authored the VMware VI and vSphere SDK by Prentice Hall, and created the de factor open source vSphere Java API while working at VMware engineering. Companies like Cisco, EMC, NetApp, HP, Dell, VMware, are among the users of the API and other tools I developed for their products, internal IT orchestration, and test automation.