What are some alternatives?
When comparing Vulkan and GeeXLab, you can also consider the following products
OpenGL - OpenGL is the premier environment for developing portable, interactive 2D and 3D graphics...
Unity - The multiplatform game creation tools for everyone.
SDL - Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level...
LOVE - Hi there! LÖVE is an *awesome* framework you can use to make 2D games in Lua.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.