1)   Windows Product Key Finder PRO 2.2.0.1
Windows, Office, Product Key Code Finder Retriever. Utility can recover your CD Product key for Windows or Office programs for the purposes of reinstalling - repairing your Windows or Office setup. Recover lost serial Vista XP 2000 2003 2007

 2)   Product Key Explorer 2.0.9
Product Key Explorer allows you to retrieve product key for Windows, Microsoft Office, SQL Server and 500 other software products.You can also save all your product keys to a text file for printing or copy the serial number to your windows clipboard.

 3)   Windows Product Key Finder Professional 2.2.0.2
Windows, Office, Product Key Code Finder Retriever. Utility can recover your CD Product key for Windows or Office programs for the purposes of reinstalling - repairing your Windows or Office setup. Recover lost serial Vista XP 2000 2003 2007

 4)   Backup Key Recovery 1.0.2
Backup Key Recovery retrieves product key for over 500 other software versions installed on your crashed or secondary hard disk drive. Before using software you should recover registry files in your crashed hard drive if they are damaged.