Windows 8 Transformation Pack is described as 'turns Windows 7/Vista/XP user interface to Windows 8. Including Windows 8 Boot Screen, Login Screen, Themes, Wallpapers, Icons, Sounds, Fonts, Metro/Modern UI, Aero’s Auto-Colorization, Taskbar UserTile and more' and is an app in the OS & Utilities category. There are four alternatives to Windows 8 Transformation Pack for Windows and Rainmeter. The best alternative is Open Shell, which is both free and Open Source. Other great apps like Windows 8 Transformation Pack are Immersive Explorer (Free), Omnimo UI (Free, Open Source) and WinMetro (Free).
Open Shell is a fork of Originally Classic Shell by Ivo Beltchev. Flexible start menu that can mimic the menu behavior of Windows 2000, XP and Windows 7 and compatible with all recent versions of Windows 10 and previous versions of Windows.
Immersive Explorer is an open source alternative to the default file explorer included in Windows (known as Windows Explorer). Although it is not a Windows 8 "Metro application", Immersive Explorer is designed around the "Metro" user interface guidelines.
Do you want your desktop to look futuristic, informative and stylish? With Omnimo you can create amazing homescreen-like desktops that will fit your every need. Inspired by the Metro UI, it delivers highly functional interactive panels to the desktop and more!
WinMetro is specially designed to bring the newly introduced Windows 8 Metro UI to Windows 7, Windows Vista and Windows XP. It offers an easy solution for old version Windows users to try and enjoy the tile based Metro UI.