Alternatives and similar repositories for RPi3

Users that are interested in RPi3 are comparing it to the libraries listed below

• pftf / RPi4
  Raspberry Pi 4 UEFI Firmware Images
  ☆1,329Updated last month
• librerpi / rpi-open-firmware
  Open source VPU side bootloader for Raspberry Pi.
  ☆452Updated 4 months ago
• pbatard / EfiFs
  EFI FileSystem drivers
  ☆607Updated last year
• open-power / petitboot
  ☆246Updated this week
• aarch64-laptops / build
  Build an Linux OS based image
  ☆257Updated last week
• jaredmcneill / quartz64_uefi
  EDK2 UEFI for Rockchip RK3566 and RK3568 based SBCs.
  ☆202Updated last year
• worproject / rpi5-uefi
  EDK2 firmware images for Raspberry Pi 5
  ☆429Updated 11 months ago
• RPi-Distro / firmware-nonfree
  ☆195Updated 2 months ago
• pyavitz / rpi-img-builder
  Image Builder for the Raspberry Pi
  ☆175Updated last month
• ipxe / pipxe
  iPXE for the Raspberry Pi
  ☆209Updated last year
• tianocore / edk2-platforms
  EDK II sample platform branches and tags
  ☆626Updated last week
• coderobe / VBiosFinder
  Extract embedded VBIOS from (almost) any BIOS Update. the hail-mary way
  ☆149Updated 2 years ago
• grate-driver / linux
  Linux kernel with experimental patches for Tegra
  ☆80Updated 2 years ago
• go-debos / debos
  Debian OS builder
  ☆667Updated this week
• johang / sd-card-images
  Scripts to build bootable SD card images with Debian for various single-board computers
  ☆256Updated this week
• rhboot / efivar
  Tools and libraries to work with EFI variables
  ☆268Updated last week
• andreiw / rk3399-edk2
  Uefi Rockchip Rk3399Pkg
  ☆74Updated 5 years ago
• rhuefi / qemu-ovmf-secureboot
  Script to generate an OVMF vars file with default secure boot key enrolled.
  ☆95Updated 3 years ago
• pyavitz / debian-image-builder
  Debian image builder
  ☆162Updated last week
• andreiw / lampone
  wip 3/4 stuff
  ☆14Updated 5 years ago
• markusj / upd72020x-load
  Firmware loader for Renesas uPD72020x USB 3.0 chipsets for Linux
  ☆84Updated 10 months ago
• martinwhitaker / pcmemtest
  A memory tester for x86 and x86-64 computers (rewrite of memtest86+)
  ☆86Updated 3 years ago
• alpinelinux / alpine-make-rootfs
  Make customized Alpine Linux rootfs (base image) for containers
  ☆261Updated last month
• linuxboot / fiano
  Go-based tools for modifying UEFI firmware
  ☆350Updated 4 months ago
• Tow-Boot / Tow-Boot
  An opinionated distribution of U-Boot. — https://matrix.to/#/#Tow-Boot:matrix.org?via=matrix.org
  ☆630Updated 11 months ago
• chesty / overlayroot
  mounts an overlay file system over root
  ☆194Updated 4 years ago
• Wooty-B / LX2K_Guide
  A guide for fully setting up the SolidRun LX2K with novice users in mind.
  ☆75Updated last year
• TravMurav / slbounce
  Secure-Launch implementation for Qualcomm devices
  ☆100Updated 2 months ago
• AgentD / squashfs-tools-ng
  A new set of tools and libraries for working with SquashFS images
  ☆233Updated last year
• crust-firmware / crust
  SCP (power management) firmware for sunxi SoCs
  ☆164Updated 9 months ago