Twilight — Mac GameStream/Sunshine client based on Andy Grundman’s moonlight-qt CoreAudio spatial audio fork (of moonlight-stream/moonlight-qt). GPL-3.0.

Build AWT, Swing and SWT desktop (GUI) applications, in JVM mode and as GraalVM native executables

A Jakarta EE utility that loads a JSON Schema and can validate the JSON value against the schema.

A JavaFX grammar of graphics implementation

Apache Ant is a Java-based build tool.

Coverage-guided, in-process fuzzing for the JVM

MicroProfile Configuration Feature

Light, fluffy, and always free - The AWS Local Emulator alternative

Lazy, no-boilerplate SQLite wrapper library for Android — CRUD without writing a single SQL query

Fluent Jdbc Client for CDI and Jakarta EE environment

Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP and Jakarta adapters.

Apache Fineract

for Quantum Crystallography

Java SDK for Contentful's Content Delivery API

Query, provision and operate Cloud, SaaS, API and Model Context Protocol (MCP) resources through a unified SQL-based framework for humans and AI agents.

Helper framework to develop new Java 7 FileSystems

Mirror of Apache Knox

The java implementation of the MMTF API, decoder and encoder.

Source code of YS Flight Simulator

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

This project demonstrates how you can utilize today's most popular JavaScript frameworks like React, Angular, and Vue to utilize the core strengths of Jakarta EE using REST, WebSocket, SSE, and JSON.

VASSAL, the open-source boardgame engine

Ehcache 3.x line

Jakarta JSON Processing

Real-time physics library for Java, based on the ReactPhysics3D (https://code.google.com/p/reactphysics3d/) library by Daniel Chappuis (http://www.danielchappuis.ch/).

An open-source registry for VS Code extensions

A lightweight Java library that reads and writes "vobject" data (vCard and iCalendar).

TabForge AI library (DynTabs + EasyAI). Abstraction layer over LangChain4J and PrimeFaces

Java invoice generator

Marketplace proof of concept on Jakarta Faces 4.1, PrimeFaces 16 and OmniFaces 5: no HttpSession, transient views, one service behind both the pages and the JSON API. Runs on Tomcat, Open Liberty a…