There are 6 repositories under liveusb topic.
Create multiboot live Linux on a USB disk...
Super UEFIinSecureBoot Disk: Boot any OS or .efi file without disabling UEFI Secure Boot
Boot operating systems directly from ISO files
Toolkit for building bootable disk images of Arch Linux and for installing Arch Linux on USB disk or thumb drive.
UEFI_MULTI - Make Multi-Boot USB-Drive
USB Format Tool - Make Bootable USB Drive with MBR and 2 Partitions
Open Secure-K OS is an operating system booting from a USB key in which you can safely create and store your personal and private data. It is a next generation live operating system following liveng patterns.
Bootable live usb/cd linux distribution containing AirGap Vault.
Scripts for easy creation of custom Debian live environments
Debian 12 bootable LiveCD with MATE desktop build script
Bootable OpenBSD USB pendrive 64GB images for AMD64 architecture
Encrypted LiveCD\USB with unlock over ssh
Socks5 gateway configurator and LiveUSB
Resetting local Windows user passwords
Dockerfile to build offline copy of documentation website for Tails privacy-focused portable operating system