A simple Java toolkit for JSON

Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can 'just run'. It takes an opinionated view of the Spring platform and third-party libraries so you can get started with minimum configuration.

Java DSL for easy testing of REST services

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

Apache Hadoop Common

A library to query and verify JSON

ZooKeeper server

The jose.4.j library is a robust and easy to use open source implementation of JSON Web Token (JWT) and the JOSE specification suite (JWS, JWE, and JWK). It is written in Java and relies solely on the JCA APIs for cryptography.

General purpose classes for use with the JCR API

Apache Tika Parser Modules

Storm Core Java API and Clojure implementation.