Lightweight console for Minecraft chat and automated scripts
A certain block game
An iOS & tvOS Frontend for Multiple Emulators
A cross-platform PSP emulator
One of the best Prodigy hacks
Pokémon Save File Editor
Rcon client for Minecraft
Video game library manager with support for wide range of libraries
One framework for creating powerful cross-platform games
Noob-proof (N)3DS Custom Firmware
The ioquake3 community effort to continue supporting/developing id's
Fast PlayStation 1 emulator for x86-64/AArch32/AArch64
The Playstation 2 emulator
Xash3D FWGS engine
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
N64 Game-Engine and Editor using libdragon & tiny3d
An unofficial PC port of the Xbox 360 version of Sonic Unleashed
An open source flight dynamics & control software library
Open source clone of the Age of Empires II engine
A tool for converting Xbox 360 shaders to HLSL
Create custom themes for the Nintendo Switch
Free game engine for development of desktop, mobile, and web games
Open source simulation game based on Transport Tycoon Deluxe
A dead simple 2D game engine for Go