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The Magical Jelly Bean Keyfinder is an free utility that retrieves your Product Key used to install Windows from your registry. It allows you to print or save your keys for safekeeping. It works on Windows 95, 98, ME, 2000, XP, Vista, Server 2003, Server 2008, Office XP, Office 2003, and Office 2007 family of products. It also has a community-updated configuration file that retrieves product keys for many other applications. Another feature is the ability to retrieve product keys from unbootable Windows installations. »

ProduKey is a small utility that displays the ProductID and the CD-Key of Microsoft Office (2003/2007), Windows (XP/Vista/7 and Server 2003/2008), Exchange Server, and SQL Server installed on your computer. You can view this information for your current running operating system, or for another operating system/computer - by using command-line options. This utility can be useful if you lost the product key of your Windows/Office, and you want to reinstall it on your computer.

Recover Keys is application which can retrieve your activation keys for Microsoft Windows, Microsoft Office, Nero, Acronis products, SlySoft, and many more other software. Currently it supports more than 6500+ software titles. Furthermore, Recover Keys can scan your network computers, another HDD, another Windows system bootable or non-bootable (if you have more than one).

Enchanted Keyfinder is a Magical Jelly Bean Keyfinder (MJB KF) fork from the open source version of MJB KF. It is a utility that retrieves the product key used to install Windows from your registry or from an unbootable Windows installation. It works on Windows 9X, ME, NT/2K/XP, and Vista/Win7 and for other software.

Product Key Explorer is the best product key finder software for recovering and finding product keys to over +4000 programs: Windows 8, Windows 7, Windows XP, Microsoft Office, Adobe CS5, CS4, CS3, Acronis, Electronic Arts games, WinZip, Nero and more...

If you want to setup your computer system again you need to have the licenses and serial numbers at hand for all the software programs that you have purchased and registered. This does include the Windows product key but also other serial numbers for applications like Nero, Office, VMWare and pretty much every other application.

GoCrack provides APIs to manage password cracking tasks across supported cracking engines.