Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Ghidra is a software reverse engineering (SRE) framework

Google core libraries for Java

强大易用的开源建站工具。

Netty project - an event-driven asynchronous network application framework

👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

A Java serialization/deserialization library to convert Java Objects into JSON and back

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

An Android library for managing images and the memory they use.

Modular and customizable Material Design UI components for Android

A scalable web crawler framework for Java.

Free implementation of Play Services

Multitask、MultiThread(MultiConnection)、Breakpoint-resume、High-concurrency、Simple to use、Single/NotSingle-process

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Java JsonPath implementation

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

Java Native Access

Asynchronous socket, http(s) (client+server) and websocket library for android. Based on nio, not threads.

Code for Quartz Scheduler

jOOQ is the best way to write SQL in Java

Android Permissions Framework, Adapt to Android 16

High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

An Android NFC app for reading, writing, analyzing, etc. MIFARE Classic RFID tags.

Android USB host serial driver library for CDC, FTDI, Arduino and other devices.

A Reliable, Flexible, Fast and Powerful download engine.

Bring some 12 factor love to your mobile apps!

PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

A blazingly fast multi-language serialization framework powered by JIT and zero-copy.

A library that provides access to Android hidden APIs and internal resources.