This is your work, valued
Nicolas Caramelli is enthusiast about backends used for graphics and video rendering on GNU/Linux systems, especially for use on embedded systems.
higfxback. History of graphics backends on Linux system
fbmark. Linux Framebuffer Benchmark
yagears. Yet Another Gears OpenGL / Vulkan demo
TinyGLUT. Small implementation of GLUT (OpenGL Utility Toolkit)
DirectFB-fbdev. DirectFB wrapper for Linux Framebuffer applications