RufusThe Reliable USB Formatting Utility
UgrubCreate an ultimate multiboot USB flash drive with Grub2 bootloader
Grub BtrfsInclude btrfs snapshots at boot options. (Grub menu)
Liveusb BuilderA script suite to create multiboot USB stick for GNU/Linux distributions
KinddA kindful dd, written in qt-quick.
CxcoreA prebuilt Linux system use UEFI and f2fs for RaspberryPi 3B, RaspberryPi 3B+, RaspberryPi 4B
TunicInstall Linux from a running Windows system, without need for a live USB.
MultibootusbA collection of GRUB files and scripts that will allow you to create a pendrive capable of booting different ISO files
GlimGRUB Live ISO Multiboot
MatterCustomizable GRUB theme inspired by Material Design
DotfilesConfiguration for Arch Linux, sway, kitty, kakoune, zsh and more + scripted installation guide
Aio BootAIO Boot is an All-in-One bootable software for USB and HDD. Is one of the best Multiboot USB Creator for Windows.
EfifsEFI FileSystem drivers
grub2-editorA KDE Control Module for configuring the GRUB2 bootloader. Unofficial KF5 port.
SynnixOSHobbyist Operating System targeting x86_64 systems. Includes userspace, Virtual File System, An InitFS (tarfs), Lua port, easy porting, a decent LibC and LibM, and a shell that supports: piping, file redirection, and more.
buddy-linuxDo you remember "Wubi Ubuntu Installer"? This project is both a replacement and an improvement of Wubi. You will be able to install your Debian (or derived) distribution on a PC without repartitioning it, simply by using a secondary/external boot device (like a USB drive).
grml-plusScript to add grml (from grml.org) and more stuff to a USB key
Aqeous(Inactive, Checkout AvanaOS, Rewrite of this) This is a New Operating System (Kernel right now). Made completely from scratch, We aim to make a complete OS for Learning purpose
arch-btrfs-install-guideArch Linux installation guide with btrfs and snapper, this guide is based on the information from unicks.eu guide https://www.youtube.com/watch?v=TKdZiCTh3EM, and Arch Linux UEFI step-by-step installation guide https://www.youtube.com/watch?v=dOXYZ8hKdmc from ALU.