Download Cygwin Windows 7 Free

Is Linux surroundings for Windows of easy installation and great flexibility.

VirtuaWin: Is a tool to administrate virtual desks (also well-known as work spaces) of operating Windows systems, such as Windows 9x, ME, NT, 2K, XP, 2003 and Vista.
Country Codes: Is a database with more than 250 country codes, among other useful information.
OpenOffice: Is a free program that is an alternative to Ms-Office. It provides spreadsheets, creates presentations, edits texts, etc.
EarthDesk: Replaces your static wallpaper with a high-resolution rendered image of Earth on your desktop.
KeePass: Is an excellent password manager to store all your passwords and check on them any time you like.