Plugin for IntelliJ IDEA that gives special support for Minecraft mods
X-Plane plugin that displays a tablet to aid VR usage
Skript is a Bukkit plugin which allows server admins
A Minecraft mapping tool that creates 3D models of your Minecraft
A Decky Loader plugin that brings together games
Enables Roblox developers to use professional software tools
nvim plugin designed to make you better at Vim Movements
A Minecraft plugin API
A unique Spigot/Paper plugin that looks and feels like a modpack
Open source cross-platform multi-purpose game toolkit
Discord bridging plugin for block game
A charting and data visualization library for Unity
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A server software for Minecraft: Bedrock Edition in PHP
A free/open source client and automation tool for Ragnarok Online
An open source reimplementation of the Among Us Server
lua dev plugin for unreal engine 4 or 5
Open source Old School RuneScape client
Access GameLift resources and integrate GameLift into your Unity game
Create Minecraft bots with a powerful and high level JavaScript API
Flax Engine, multi-platform 3D game engine
MCDaemon, a python tool to control your Minecraft server
Action-adventure game originally released in 2013
An open source implementation of the Ultima Online Classic Client
CTFs as you need them