KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A free mixin-based injection hacked client for Minecraft
One framework for creating powerful cross-platform games
A lightweight game server framework implemented with Actor Model
Plugin for IntelliJ IDEA that gives special support for Minecraft mods
Multi-platform 2D and 3D game engine
OpenSoldat is a unique 2D (side-view) multiplayer action game
A Flutter based game engine
Stride (formerly Xenko), a free and open-source cross-platform C# game
Accuracy-focused XNA4 reimplementation for open platforms
Azuriom is a complete open-source web solution for game servers
An easy to use 2D HTML5 game engine written in TypeScript
New Godot bindings for Swift
Desktop/Android/HTML5/iOS Java game development framework
3D Game engine with editor
Free game engine for development of desktop, mobile, and web games
ThinkPHP Framework
Distributed server for social and realtime games and apps
1.21.11 Lightweight Minecraft server
A game framework written with osu! in mind.
Purpur is a drop-in replacement for Paper servers
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
A free/open source client and automation tool for Ragnarok Online
The solution that allows unity games update in runtime
Descent 3 by Outrage Entertainment