Design patterns implemented in Java

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

All Algorithms implemented in Java

Everything you need to know to get the job.

Google core libraries for Java

Free universal database tool and SQL client

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

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

Getting Started with Spring Boot 3:

Learn System Design concepts and prepare for interviews using free resources.

🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解

Netty project - an event-driven asynchronous network application framework

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Open Source Identity and Access Management For Modern Applications and Services

Conductor is an event driven agentic orchestration platform providing durable and highly resilient execution engine for applications and AI Agents

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

Learn Low Level Design (LLD) and prepare for interviews using free resources.

This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.

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

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

MyBatis SQL mapper framework for Java

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

A collection of algorithms and data structures

A fast dependency injector for Android and Java.

A high performance caching library for Java

Zipkin is a distributed tracing system

Modern Java - A Guide to Java 8

Graphs for Everyone

Awesome LeetCode resources to learn Data Structures and Algorithms and prepare for Coding Interviews.

Most popular Mocking framework for unit tests written in Java