There are 7 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
Set of bash script programs for building bootable images of Arch Linux and for creating bootable USB disks or thumb drives of Arch Linux with a desktop environment
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
Socks5 gateway configurator and Router LiveUSB
Encrypted LiveCD\USB with unlock over ssh
Resetting local Windows user passwords
Dockerfile to build offline copy of documentation website for Tails privacy-focused portable operating system