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

Core Jackson processing abstractions (aka Streaming API), implementation for JSON

Core annotations used for value types, used by Jackson data binding package.

General data-binding functionality for Jackson: works on core streaming API

Square’s meticulous HTTP client for Java and Kotlin.

JccWallet

JavaBeans Validation (Bean Validation) is a validation model that can add constraints to the beans with annotations ...

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains the JCA/JCE ...

JUnit Jupiter is the API for writing tests using JUnit 5.

Mockito mock objects library core API and implementation

PowerMock API for Mockito 2.+..

PowerMock support module for JUnit 4.x.