Hexlock - Security app locker keeps apps private with smart profiles for any situation

Magical Jelly Bean Keyfinder - The Magical Jelly Bean Keyfinder is a freeware utility that retrieves your Product Key (cd key) used to install windows from your registry. It also has a community- updated configuration file that retrieves product keys for many other applications.

App Lock and Gallery Vault - Wish you could simply lock all your private apps on your smartphone with just a click?

Recover Keys - Recover Keys is product keyfinder program which can recover lost product keys for Windows 8, 7, 10, Office, Exchange, Adobe Photoshop and many-many more.

AppLock (FOSS) - A privacy App lock FOSS application.

Product Key Explorer - Product Key Explorer is a key inventory and recovery software designed for Windows. It's meant to help users recover, find, and backup their activation keys for more than nine thousand popular software programs... read more.