Desktop/Android/HTML5/iOS Java game development framework

JDK main-line development https://openjdk.org/projects/jdk

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.

Very spicy additions to the Java programming language.

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

The WebRTC module for React Native

Database for Android and JVM - first and fast, lightweight on-device vector database

Brigadier is a command parser & dispatcher, designed and developed for Minecraft: Java Edition.

Java Bindings for V8

The modern, next-generation Minecraft server proxy.

The modular web framework for Java and Kotlin

The real deal

Mixin is a trait/mixin and bytecode weaving framework for Java using ASM

Skript is a Paper plugin which allows server admins to customize their server easily, but without the hassle of programming a plugin or asking/paying someone to program a plugin for them.

Yet Another Validation for Java (A lambda based type safe validation framework)

Capacitor plugin for Instant updates: Ship updates, fixes, changes, and features within minutes

A simple example language built using the Truffle API.

Akarin is a powerful server software from the 'new dimension'

architecture sample using : Spring Boot gradle, Spring MVC, Thymeleaf, and MyBatis

A simple configuration library for Java applications providing a node structure, a variety of formats, and tools for transformation

Generic AST parsing library for kotlin multiplatform

TaskChain Control Flow framework. Helps facilitate running tasks on an application's "Main Thread" (such as a game), and tasks off the main (async).

A Java Discord bot using JDA

An open-source Minecraft server that implements the SpongeAPI.

Enables compatibility between BungeeCord and HAProxy's PROXY v1 and v2 protocols

A flicker-free scoreboard library with support of text up to 48 characters.

fish-admin is simple development boilerplate based on fish-ui

A Gson binding generator with annotation processing

A minimalist, but feature packed, library for developing Bukkit plugins quickly.