What is a good software to backup xbox 360 games?

I'm looking to backup some games and was wondering what some good software is; if there is any good software for free that would be nice.What is a good software to backup xbox 360 games?So you could be able to backup some Xbox 360 games, certainly you need a good game copying software. The internet is of course the best place to search for one. Something like Game Backup System would be nice.