JetBoost is a small piece of software that allows you to close all applications that are not required to play a game.
It displays a list with all detected programs that are running and you should close them. This will make more CPU and RAM memory available on your computer and when you will start to play a game it will have more computer resources available to use.
Is completely free, does not requires any login, is clean and may be a good alternative to apps like IObit Razer Game Booster.
This program allows to disable and easily restore all temporarily closed processes and applications, so when you finish playing a game, you can re-enable all previous applications.