Hutool是一个小而全的Java工具类库，通过静态方法封装，降低相关API的学习成本，提高工作效率，使Java拥有函数式语言般的优雅，让Java语言也可以“甜甜的”。

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

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

JTokkit is a Java tokenizer library designed for use with OpenAI models.

Square’s meticulous HTTP client for Java and Kotlin.

Square’s meticulous HTTP client for Java and Kotlin.

A type-safe HTTP client for Android and Java.

A Retrofit Converter which uses Jackson for serialization.

A Retrofit CallAdapter for RxJava 3's stream types.

A set of annotations used for code inspection support and code documentation.

Lombok is a Java library that provides annotations to simplify Java development by automating the generation of ...

API for SLF4J (The Simple Logging Facade for Java) which serves as a simple facade or abstraction for various logging ...

Binding/provider for SLF4J, which outputs all events to System.err. Only messages of level INFO and higher are printed.

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