Desktop/Android/HTML5/iOS Java game development framework

A Java API for generating .java source files.

A blazingly fast multi-language serialization framework powered by JIT and zero-copy.

Compiles Java bytecode to JavaScript, WebAssembly and C

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.

Janino is a super-small, super-fast Java™ compiler.

Framework to interpret and transpile JVM bytecode to JavaScript, OpenCL or WebAssembly.

A simple way to pack and manage texture atlases for libGDX game framework.

Successors to OpenSimplex Noise, plus updated OpenSimplex.

ARCHIVED: Bytecode to source converting Java & Kotlin code into JavaScript, C++, D, C#, PHP, AS3, Dart and Haxe and run it everywhere. Also use JVM code in your favourite language as a library.

A compressed alternative to the Java BitSet class

Useful tools for roguelike, role-playing, strategy, and other grid-based games in Java. Feedback is welcome!

Talos Particle Engine

Insanely fast ECS (Entity Component System) for Java

GLTF 2.0 3D format support and PBR shader implementation for LibGDX

A libGDX cross-platform API for InApp purchasing.

libGDX post-processing visual effects

Falling Lightblocks. Falling block game for Android (Mobile and TV), iOS, Web browsers. Works on desktops, too.

A library for libGDX that draws simple shapes using a batch.

Run LibGDX in a web browser with TeaVM

A libGDX Label that appears as if it was being typed in real time.

blog

Augmented text display system for libGDX, based on typing-label

Fast lossless data compression in Java

A libGDX mechanism to manipulate colors in powerful ways

A fork of the KryoNet client/server library for Java.

FastNoise Java Version

Lightweight data modeling for Java, powered by Clojure.

Java port for bump.lua