There are 1 repository under gnu-efi topic.
EFI FileSystem drivers
UEFI development made easy
A bootable NES Emulator running on UEFI
run C++ from anywhere
UEFI ELF Bootloader example
Various (U)EFI utilities that I have developed
GNU-EFI fork without the bs.
gnu-efi fork
Building Applets using GNU-EFI
A tetris game, that can be launched in UEFI
Tools for UEFI-development
Mirror of gnu-efi from sourceforge.
Kernel/User mode demonstation in the EFI application for x86_64