Mem Optimizer is a free memory optimizer for Windows OS developed in Delphi. It can free RAM up to 30-40% in one click, according to the developer. Mem Optimizer is a 100% free and easy-to-use app. It needs only 3.5 MB  of space. As stated by their customer reviews, “Portable and lightweight RAM booster. With a small footprint on the system, this particular application makes it possible for…