Apps similar to SDL include Godot Engine, which is free and open source. Other options are Vulkan, GABE, microStudio and Redot Engine. There's no shortage of Game Development Tools like SDL, with more than 25 alternatives for Windows, Linux, Mac, Android and the web.
Godot Engine is a feature-packed, cross-platform game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel.
Argentina
Vulkan is a new generation graphics and compute API that provides high-efficiency, cross-platform access to modern GPUs used in a wide variety of devices from PCs and consoles to mobile phones and embedded platforms.
United States
Offers an integrated Gradle build environment for compiling, building, and testing Godot game projects natively on Android, supporting seamless on-device workflows without a PC. Facilitates game development using open-source tools within the Android editor environment.
Argentina
microStudio is a free game engine online. Create games, learn programming, play, share, prototype and jam!.
France
EU
Redot Engine is a feature-packed, cross-platform fork of the Godot game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel.
A refreshingly simple data-driven game engine built in Rust. Free and Open Source Forever!
A extremely powerful application to make games in python as well as in visual programming
WebGL is a cross-platform, royalty-free web standard for a low-level 3D graphics API based on OpenGL ES 2.0, exposed through the HTML5 Canvas element as Document Object Model interfaces. Developers familiar with OpenGL ES 2.
raylib is a game development library highly inspired by Borland BGI graphics lib and by XNA framework. Made as a simple and easy-to-use library to enjoy game programming.
DirectX is a set of components in Windows that allows software, primarily and especially games, to work directly with your video and audio hardware.
United States
Xogot brings the full power of the Godot game engine to iPad. With a native iPad experience designed for touch, you can create, test, and share games wherever inspiration strikes.
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.
