Starting with SFML, having trouble with OpenGL - Facepunch. Download SFML (Simple, Fast Multimedia Library) software for free. SFML - Simple and Fast Multimedia Library. View topic - Allegro vs SDL vs SFML (yea, many outdated topics out here) I have learned a little bit of Allegro, created a simple game, was struggling with tile maps recently, however failed, so started improving my C++ skills, since i knew basically the basics well, but not the little bit advanced stuff. Anyway, i was looking for something on the internet, and i ran into some game's, i guess open source, programming discussion. Someone recently has advised the guy, who is programming the game, to switch to SDL from Allegro. Download G3D Content Pak Project software for free. G3D Innovation Engine. Simple DirectMedia Layer. OpenGL. OpenGL - The Industry Standard for High Performance Graphics. DirectX. Amaltheia Homepage. Allegro - A game programming library. Allegro.