QuickPass is a recently released jailbreak tweak that allows you to quickly disable the passcode lock on your iOS device using a handy toggle found in the stock Settings app. QuickPass is a great tool when you encounter situations where it would be easier to have no passcode on your device at all.
I find QuickPass useful when reviewing jailbreak tweaks, especially tweaks where I'm required to respring a lot. Have a look inside for a full video walkthrough showcasing how the tweak works.