LittlevGL is a free and open-source graphics library providing everything you need to create a Graphical User Interface (GUI) on embedded systems with easy-to-use graphical elements, beautiful visual effects and low memory footprint.
GitHub: https://github.com/littlevgl/lvgl Website: https://littlevgl.com
A step-by-step guide to teach the most iportant parts of the Graphics Library.
Real life GUI examples which can be adapted in your own project.
Test cases to validate the features of LittelvGL