Design patterns implemented in Java

All Algorithms implemented in Java

Ghidra is a software reverse engineering (SRE) framework

Dex to Java decompiler

The java implementation of Apache Dubbo. An RPC and microservice framework.

Free universal database tool and SQL client

Just Announced - "Learn Spring Security OAuth":

🔥 Android developers should collect the following utils(updating).

🍬A set of tools that keep Java sweet.

循序渐进，学习Spring Boot、Spring Boot & Shiro、Spring Batch、Spring Cloud、Spring Cloud Alibaba、Spring Security & Spring Security OAuth2，博客Spring系列源码：https://mrbird.cc

Desktop/Android/HTML5/iOS Java game development framework

Open Source Identity and Access Management For Modern Applications and Services

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

A collection of algorithms and data structures

Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

🏗 Build container images for your Java applications.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Microservice Architecture with Spring Boot, Spring Cloud and Docker

Multi-platform transparent client-side encryption of your files in the cloud

The Java gRPC implementation. HTTP/2 based RPC

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

A barebones WebSocket client and server implementation written in 100% Java.

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization.

Pentaho Data Integration ( ETL ) a.k.a Kettle

Source for the TechEmpower Framework Benchmarks project

Algorithms, 4th edition textbook code and libraries

Use SQL to query Elasticsearch

Tiny, easily embeddable HTTP server in Java.