Design patterns implemented in Java

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

Everything you need to know to get the job.

All Algorithms implemented in Java

Ghidra is a software reverse engineering (SRE) framework

Spring Framework

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

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

Free universal database tool and SQL client

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

Quarkus: Supersonic Subatomic Java.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

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

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

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

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…

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

BookLore: A self-hosted, multi-user digital library with smart shelves, auto metadata, Kobo & KOReader sync, BookDrop imports, OPDS support, and a built-in reader for EPUB, PDF, and comics.