A fast JSON parser/generator for Java.
Feign makes writing java http clients easier
Java JsonPath implementation
A reference implementation of a JSON package in Java.
Generate Java types from JSON or JSON Schema and annotates those types for data-binding with Jackson, Gson, etc
JSON to JSON transformation library written in Java.
A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order
Logback JSON encoder and appenders
JSON Schema validator for java, based on the org.json API