u-boot 话题在 GitHub 上没有填写简介，这里按 Star 数汇总最相关的热门仓库。
The official build framework for the Armbian Linux distribution. This repository contains the complete toolchain and scripts required to compile custom OS images from source, including kernel configuration, U-Boot handling, and board-specific tweaks for various ARM and ARM64 single-board computers.
Alternative IP Camera firmware from an open community
U-Boot 1.1.4 modification for routers
OpenWrt firmware installer
Scripts to build bootable SD card images with Debian for various single-board computers
A U-Boot hacking toolkit for security researchers and tinkerers
Spotify Car Thing (superbird) resources to access U-Boot shell over USB
为编译后的源文件生成文件列表和 slickedit，Linux 内核则生成依赖头文件，然后进行 U-boot
AXIOM firmware (linux image, gateware and software tools)
SyterKit is a bare-metal framework
FPGA+SoC+Linux+Device Tree Overlay+FPGA Manager U-Boot&Linux Kernel&Debian11 镜像（适用于 Xilinx:Zynq-Zybo:PYNQ-Z1 Altera:de0-nano-soc:de10-nano）
Amlogic USB Boot Protocol Library
TN3399_V3 开发板折腾记录
FPGA+SoC+Linux+Device Tree Overlay+FPGA Manager U-Boot&Linux Kernel&Debian11 Images (for Xilinx:Zynq Ultrascale+ MPSoC)
stock debian arm64 linux for the nanopi r5c & r5s
u-boot for meson8b and en751221
这是一个包含模板的仓库，包含imx6ull-chips、uboot、kernel、rootfs补丁，以实现快速应用
Technical data (reverse engineered) and an alternative firmware (Debian GNU/Linux) for the Seagate Blackarmor NAS
Supports u-boot for Armbian, OpenWrt, and FnNAS.
BananaPi M2 Zero - Ubuntu Focal Base Minimal Image (Experimental) - U-Boot 2017.09 / Kernel 4.18.y / Kernel 4.19.y / Kernel 4.20.y / Kernel 5.3.y / Kernel 5.6.y / Kernel 5.7.y / Kernel 5.11.y