A universal Operating System Installer for Windows. It installs any Operating System with inside of Windows. Works for all versions of Windows.
Perl Portable is the amazingly powerful Perl Scripting language made into a portable application for Windows (To PortableApps.com standards. :D)
FDMe is an Extension Pack with a full installation and a complete install package for the Free Download Manager. It centralizes the most important features of the program. FDM itself is one of the most handy programs for downloads and akin.
This is a different type of version switcher than the other one. It works using an installer and to switch the versions, to switch, just use the start menu buttons to execute the switch. An easy way of switching versions.