Firmware Rabbit Hole
BIOS
Coreboot
Canoeboot
GNU Boot
Libreboot.at - GNU
Libreboot.org - MiniFree
Das U-Boot
LinuxBOOT
HEADS
u-root
NERF - Non-Extensible Reduced Firmware
SeaBIOS
Chrultrabook
Firmware Reverse Engineering
Hardware Tools
CH341A
3v3 mod
Software Tools
binman
binwalk
Cutter
flashrom