OpenFL is described as 'Build games and applications for almost every platform imaginable -- Windows, Mac, Linux, iOS, Android, BlackBerry, Firefox OS, Tizen, Flash and even HTML5' and is an app in the Development category. There are more than 10 alternatives to OpenFL for a variety of platforms, including Windows, Linux, Mac, Android and iPhone. The best alternative is LÖVE, which is both free and Open Source. Other great apps like OpenFL are Pygame (Free, Open Source), MonoGame (Free, Open Source), nCine (Free, Open Source) and FreeBASIC (Free, Open Source).
Pygame is a set of Python modules designed for writing video games. Pygame adds functionality on top of the excellent SDL library. This allows you to create fully featured games and multimedia programs in the python language.
One framework for creating powerful cross-platform games. The spiritual successor to XNA with 1000's of titles shipped across desktop, mobile, and console platforms. MonoGame is a fully managed .NET open source game framework without any black boxes.
FreeBASIC is a completely free, open-source, 32-bit BASIC compiler, with syntax similar to MS-QuickBASIC, that adds new features such as pointers, unsigned data types, inline assembly, object orientation, and many others.
Amulet is a Lua-based toolkit for experimenting with interactive graphics and audio. It provides a cross-platform API for drawing graphics, playing audio and responding to user input, and a command-line interpreter for running Amulet scripts.