RenPy Visual Novel Engine is a free software engine which facilitates the creation of visual novels, a form of computer-mediated storytelling.

Torque Game Engine, or TGE, is a 3D computer game engine.

Playir is a mobile app and game creation platform, that allows you to create your own games and apps from pre-made templates.

Superpowers is a 2D+3D game making software for indies.

Construct Classic is a free, DirectX 9 game creator for Windows, designed for 2D games. It is the predecessor to the more modern Construct 2.

CryEngine is a game engine with the initial version being used in Far Cry, and continues to be updated to support new consoles and hardware for their games.

LateralGM (LGM) is an alternate Game Maker IDE founded by IsmAvatar that is compatible with both ENIGMA and Game Maker.

Blitz3D is a classic game programming language for PC.