Microsoft Desktops allows you to organize your applications on up to four virtual desktops.
Read email on one, browse the web on the second, and do work in your productivity software on the third, without the clutter of the windows you're not using. After you configure hotkeys for switching desktops, you can create and switch desktops either by clicking on the tray icon to open a desktop preview and switching window or by using the hotkeys.
Sandboxie lets you run programs in an isolated space which will prevent them from making permanent changes to other programs and data on your computer. Sandboxie-Plus also available.
Phoenix OS is an Android-based operating system that you can install on your hard drive or as a bootable DVD or thumb drive. Also available as a executable here.
VMware Player is an easy-to-use application that will offer users the possibility to run any virtual machine on their computer—used by MajorGeeks to test software safely.
VirtualBox is a free virtualizer that extends your existing computer's capabilities so that it can run multiple operating systems in virtual machines at the same time. VirtualBox Extension Pack also available.
Toolwiz Time Freeze is a free instant system protection tool that will protect your system from any unwanted changes and malicious activity in low disk level. Toolwiz also has a complete, all in one suite called Toolwiz Care.