SDL Game Engine is described as 'A platform independent 2d game programming framework for c/c++ programmers with least possible dependencies for easy porting and with focus on easy API calls and the requirement of commercial programmers' and is an app in the Development category. There are more than 10 alternatives to SDL Game Engine for a variety of platforms, including Windows, Linux, Mac, iPad and iPhone. The best alternative is SDL, which is both free and Open Source. Other great apps like SDL Game Engine are Pygame (Free, Open Source), SFML (Free, Open Source), Oxygine (Free, Open Source) and GLFW (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.
SFML (Simple and Fast Multimedia Library) is a portable and easy-to-use API for multimedia programming. It is written in C++ with bindings available for C, D, Python, Ruby, OCaml, .Net and Go. It can be thought of as an object oriented alternative to SDL.
GLFW is an Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan development on the desktop. It provides a simple API for creating windows, contexts and surfaces, receiving input and events.
Allegro 4 and Allegro 5 are cross-platform, libraries mainly aimed at video game and multimedia programming. They handle common, low-level tasks such as creating windows, accepting user input, loading data, drawing images, playing sounds, etc.
Orx is an open source, portable, lightweight, plugin-based, data-driven and extremely easy to use 2D-oriented game engine. Orx is mostly written in C, but allows you to develop with it with any language that can interface to C.