Wubi only adds an extra option to boot into Ubuntu. Wubi does not require you to modify the partitions of your PC, or to use a different bootloader, and does not install special drivers.
Wine lets you run Windows software on other operating systems. With Wine, you can install and run these applications just like you would in Windows. Read more at http://wiki.winehq.org/Debunking_Wine_Myths
A DLL (cygwin1.dll) which acts as a Linux API emulation layer providing substantial Linux API functionality. A collection of tools which provide Linux look and feel
What Isn’t Cygwin?
Cygwin is not a way to run native linux apps on Windows. You have to rebuild your application from source if you want it to run on Windows. Cygwin is not a way to magically make native Windows apps aware of UNIX ® functionality, like signals, ptys, etc. Again, you need to build your apps from source if you want to take advantage of Cygwin functionality.
VMware Player is the easiest way to run multiple operating systems at the same time on your PC. With its user-friendly interface, VMware Player makes it effortless for anyone to try out Windows 7, Chrome OS or the latest Linux releases, or create isolated virtual machines to safely test new software and surf the Web
- ovigia: The table of equivalents / replacements / analogs of Windows software in Linux. (Official site of the table) (linuxrsp.ru)
- How You Know When It’s Time to Switch to Linux (pcworld.com)
- Choosing a Virtual Machine Solution (brighthub.com)