BlueLife KeyFreeze - FREE Windows application that blocks your keyboard and mouse without “locking” the screen.
Cydia - An alternative app store for jailbroken devices.
Transparent Screen Lock - Password protect your workstation or server with "Transparent Screen Lock" while monitoring programs that are running.
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
GO Locker - GO Locker,design to GO Launcher EX is the most simple locker for Android!
Fnd - Browse Apple App Store and iTunes on the Web