There are 9 repositories under iso-files topic.
A collection of GRUB files and scripts that will allow you to create a pendrive capable of booting different ISO files
Boot operating systems directly from ISO files
An ISO install wrapper for (specifically for Lord of the Rings: Battle for Middle-Earth 2). It mounts .iso files, runs the installer (on disc) and applies the no cd crack so that you don't need to re-mount the .iso files everytime you run the game.
A collection of scripts and configurations for setting up a storage device for live booting and installing multiple different operating systems from ISO-files.