raylib - Cross-platform, open-source game development library in C.
ENIGMA – LateralGM - LateralGM is a powerful IDE for ENIGMA, and both of these combine to offer you a cross-platform game environment.
SFML - SFML provides a simple interface to the various components of your PC, to ease the development of games and multimedia applications. It is composed of five modules: system, window, graphics, audio and network.
Godot Engine - Feature-packed 2D and 3D open source game engine.
SDL - Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level...
Lobster - Lobster is a game programming language.