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

A tool to select chunks from Minecraft worlds for deletion or export.

Working sample code for the basic concepts in Minecraft and Forge.

binary serialization format

A working voice chat in Minecraft!

Support 1.18, 1.17, 1.16, 1.15, 1.14, 1.13, 1.12, 1.11, 1.10, 1.9, 1.8, 1.7, 1.6, 1.5, 1.4.7 clients on Spigot/Paper 1.18.1

Wynntils (Artemis) is a rewrite of Wynntils in 1.21.11 using Architectury, to support Fabric and Forge.

Wynntils is a Wynncraft Mod that seeks to enhance the user's gameplay with a variety of customizable options and additions.

An example for using Mixin in Minecraft Forge 1.12.2 & 1.8.9

An out-of-game map renderer and viewer for Minecraft 1.13–1.18 worlds [unmaintained]

An experimental mini-map and world-map mod for Fabric 1.18.

Bil Lewis' Omniscient Debugger for Java.

The archived source code of the old Sun phoneME project, converted to git

A minimap mod for Minecraft with Fabric launcher.

Minecraft mod that displays a flight styled HUD while flying with elytra.

pmanvil-converter - A tool for converting pmanvil to anvil format

Parser for IRP notation protocols, with rendering, code generation, and decoding.

Extensions for OpenJDK for Eclipse OpenJ9

Minimap for Minecraft 1.17.X

Overlay a timer on the Vanilla status effect HUD icons (Minecraft fabric mod)

🗺 Minecraft Minimap/Worldmap Mod (fabric 1.18.2 ~ 1.21.4)

Provides an easy to access configuration screen for all installed mods

On hold for real world issues

Java Interactive Visualization Environment

A really simple tool to announce Minecraft servers on LAN

Minecraft Fabric mod that adds LAN server announcements to dedicated servers.

A client-side Minecraft mod that adds various "tweaks" (= usually small-ish individual features)