Java JsonPath implementation
FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.
Feign makes writing java http clients easier
Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc
A reference implementation of a JSON package in Java.
JSON to JSON transformation library written in Java.
A Java utility is designed to FLATTEN nested JSON objects and even more to UNFLATTEN them back
JSON Schema validator for java, based on the org.json API