There are 2 repositories under embeddedlinux topic.
A helper library for GuiConnect+: a quick GUI creator for microcontroller projects
Building U-Boot, Linux kernel, and Rootfs from scratch for the embedded system (raspberry-pi)
Learn to write C++ applications for console, physical projects and create graphical user interfaces with QT5.
Infineon BGT60 radar SDK support for Yocto Embedded Linux