Don't want to get busted by your boss or your teacher playing Solitaire, chatting or surfing the web? Close (hide or minimize) and open multiple progams with the click of a button. So you won't have to panic anymore...
How much does Don't Panic cost?
Don't Panic! an open-source software, which means not only it is free, but you also have access to it's code so you can see how it works under the hood.