Ranked in these QuestionsQuestion Ranking
Pro Automatic USB detection
Rufus finds your USB drive automatically. This minimizes the risk that you will accidentally format your hard drive.
Pro Very fast
Rufus is one of the fastest utilities in the category to complete create a bootable USB. Twice as fast as UNetbootin, Universal USB Installer and Windows 7 USB download tool.
Pro Simple but advanced
Has many options.
Zero ways to screw up.
Pro Open Source
Con Only runs on Windows
Although it can install all flavors of imaginable distros on a key, the software itself only has one official Windows version, effectively excluding Mac and Linux users.