The tools include junk file cleaner, memory optimizer, system information, system files backup, file encryption, safe uninstaller, duplicate file finder, windows transparency manager and much more. Advanced System Optimizer also includes a small SMTP server for direct mail sending, an Internet tracks eraser with cookie manager and secure deletion, and even a desktop sticky notes application. Overall, a great bundle that offers a wide range of system tools, as well as some extras that are not commonly found.