Mangos ZERO is a server for World of Warcraft
Pterodactyl® is a free, open-source game server management panel
Kitty-Tools is a Kahoot Cheating Client for all devices and interfaces
HTML5 Phigros chart player/simulator
Game Boy Advance, Game Boy, Game Boy Color, and DS Emulator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Emulator for the Game Boy, Game Boy Color, and Game Boy Advance
Lutris desktop client in Python
Stride (formerly Xenko), a free and open-source cross-platform C# game
Multi Theft Auto is a game engine
Accuracy-focused XNA4 reimplementation for open platforms
Lightweight console for Minecraft chat and automated scripts
A certain block game
Allows the connection of newer clients to older server versions
Unreal Engine Archives Explorer
A lightweight, modular and versatile mod loader for Minecraft Bedrock
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A community sourced database of game controller mappings
A simple and easy to use mod manager for several games
Cocos simplifies game creation and distribution with Cocos Creator
RetroArch is a frontend for emulators, game engines and media players.
Real Time Strategy game engine supporting early Westwood classics
WheelWizard, Retro Rewind Launcher
Free game engine for development of desktop, mobile, and web games
The game engine for everyone