Open-source firmware

Open-source firmware is firmware that is published under an open-source license. It can be contrasted with proprietary firmware, which is published under a proprietary license or EULA.^[1]^[2]^[3]

Examples

OpenWrt
coreboot
SeaBIOS
LinuxBoot
Libreboot
Marlin (firmware), Arduino-based firmware for 3D printers^[4]
PinePhone LTE modem^[5]
Rockbox, a replacement firmware for various digital audio players^[6]
QMK
U-Boot

References

^ Williams, Elliot (2022-05-14). "Who Is Thinking About Open Source Firmware?". Hackaday. Retrieved 2022-10-22.
^ Banik, Subrata (2022). System firmware: an essential guide to open source and embedded solutions. Vincent Zimmer. ISBN 978-1-4842-7939-7. OCLC 1347731078.
^ Ridley, Jacob (2022-04-13). "There's huge potential for this 'unbrickable' open source BIOS now it's running on modern Intel PCs". PC Gamer. Retrieved 2022-10-22.
^ Andreas Giencke (25 September 2022). "How to Set Up & Edit Marlin Firmware". All3DP. Retrieved 19 June 2023.
^ By (2022-07-12). "Open Firmware For PinePhone LTE Modem – What's Up With That?". Hackaday. Retrieved 2022-10-22.
^ Shawn Powers (April 2008). "Linux Journal 2008 04 : Free Download, Borrow, and Streaming : Internet Archive". Internet Archive. Retrieved 19 June 2023.

Types	Proprietary firmware Open-source firmware Custom firmware
Interfaces	UEFI BIOS Video BIOS Open Firmware ACPI MultiProcessor Specification APM Legacy Plug and Play AlphaBIOS SRM SFI
Implementations	SeaBIOS Award BIOS American Megatrends AMIBIOS AMI Aptio InsydeH2O Phoenix SecureCore UEFI TianoCore EDK II OpenBIOS Coreboot Libreboot LinuxBoot Kickstart Run-Time Abstraction Services

Hybrid firmware bootloader

Bootloaders

Implementations	Acronis OS Selector Barebox BootManager BootX (Apple) BootX (Linux) GNU GRUB iBoot systemd-boot loadlin NTLDR OpeniBoot RedBoot rEFInd rEFIt SYSLINUX Windows Boot Manager xOSL Yaboot Plop Boot Manager MILO