Design patterns implemented in Java

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

All Algorithms implemented in Java

Everything you need to know to get the job.

Spring Framework

Termux - a terminal emulator application for Android OS extendible by variety of packages.

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.

Netty project - an event-driven asynchronous network application framework

A browser automation framework and ecosystem.

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

Open Source Identity and Access Management For Modern Applications and Services

a fast, scalable, multi-language and extensible build system

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

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

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

Quarkus: Supersonic Subatomic Java.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running mat…

Generate diagrams from textual description

No clever tagline needed.

The Metadata Platform for your Data and AI Stack

LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes impl…

Resilience4j is a fault tolerance library designed for Java8 and functional programming

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.

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Free and open log management

An AI-powered next-generation open source real-time observability system.