You can make it - Open Source MMORPG Platform
The flexible game engine
Godot is a powerful cross-platform game engine
A Minecraft Launcher which is multi-functional, cross-platform
Solar2D Game Engine main repository (ex Corona SDK)
05k0nz's legacy is safe
Self-hosted game stream host for Moonlight
Voxel game-creation platform with easy modding and game creation
The main repository for the Linux and Mac OS Bedrock edition Minecraft
A complete 3-D game development suite written in Java
A Minecraft Java Edition Launcher for Android and iOS
Open source cross-platform multi-purpose game toolkit
An Open Source Minecraft Launcher with Modern UX
s&box is a modern game engine, built on Valve's Source 2
Atmosphère is a work-in-progress customized firmware for the Nintendo
A native Lua / LÖVE2D recreation of Gen 1 Poke
Powerful, mature open-source cross-platform game engine for Python
The Modrinth monorepo containing all code which powers Modrinth
An unofficial PC port of the Xbox 360 version of Sonic Unleashed
Mod manager for the video game RimWorld
A bridge/proxy allowing you to connect to Minecraft
Game Boy / Game Boy Color / Super Game Boy emulator, debugger
Open Source MMORPG Framework
Lightweight console for Minecraft chat and automated scripts
HTML5 Phigros chart player/simulator