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

Apache Kafka - A distributed event streaming platform

Quarkus: Supersonic Subatomic Java.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Runtime code generation for the Java virtual machine.

JavaFX Material Design Library

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Ot…

Java bindings for Skia

The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main pro…

A High Dynamic Range (HDR) Histogram

The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

Unleash the power of Java - JBang Lets Students, Educators and Professional Developers create, edit and run self-contained source-only Java programs with unprecedented ease.

A library of material components for JavaFX

Modern JavaFX CSS theme collection with additional controls.

Java Abstracted Foreign Function Layer

Java API for GitHub

🚀 Release projects quickly and easily with JReleaser

📦 Gradle/Maven plugin to package Java applications as native Windows, MacOS, or Linux executables and create installers for them.

Simple and clean testing for JavaFX.

https://openjdk.org/projects/jmc OpenJDK Mission Control, a production time profiling and diagnostics tools suite.

NoSQL embedded document store for Java

This repo contains sample games built with FXGL

A JavaFX library for Gauges

A JavaFX library that contains different kind of charts

JavaFX samples to run with different options and build tools

A supporting library for JavaFX, containing helper classes, extended layouts, controls and other interesting widgets.

A scientific charting library focused on performance optimised real-time data visualisation at 25 Hz update rates for data sets with a few 10 thousand up to 5 million data points.