Launchy: The Open Source Keystroke Launcher - http://www.launchy.net/index.php

Recover from register currupt - http://www.windowsdevcenter.com/lpt/a/6643

Introduce a utility to clean up profile and speed up shutdown time (probably more than that) - http://www.intelliadmin.com/blog/2006/07/why-windows-takes-so-long-to-shut-down.html

DD for windows - http://sourceforge.net/projects/windd/

Free file recovery - http://www.softperfect.com/products/filerecovery/ http://www.softpedia.com/get/System/Back-Up-and-Recovery/Restoration.shtml

File unlocker: If you get message that don't allow you to open / delete file as it is in use, may be you can use this tool and make it editable / deletable - http://ccollomb.free.fr/unlocker/ Other than that, if you have file name that is too long and cannot be deleted, this tool can help either.

Remote command runner - http://technet.microsoft.com/en-us/sysinternals/bb897553.aspx

Snapit, capture text at screen to clipboard, amazing~ http://www.techsmith.com/screen-capture.asp

Better than [alt + tab] - http://www.blogsolute.com/vistaswitcher-elegant-way-to-switch-between-windows-alttab/5779/

Scan disk on xp - http://www.blogsolute.com/checkdrive-2010-scan-fix-hard-disk-errors/6074/

ImDisk ( Virtual Disk Driver ) and others - http://www.ltr-data.se/opencode.html/

Watch directory change - http://leelusoft.blogspot.com/2010/07/watch-4-folder-22.html

Virtual Desktop Manager - http://virtuawin.sourceforge.net/

forfile , like "for" in unix - http://technet.microsoft.com/en-us/library/cc753551(v=ws.10).aspx

Recover deleted file - http://www.puransoftware.com/File-Recovery.html