Sandboxie - Sandboxie is a program for Windows that is designed to allow the user to isolate individual programs on the hard drive.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Deep Freeze - DESCRIBING DEEPFREEZE SOFTWARE Deepfreeze, by Faronics, is an application that solves a unique problem that many companies have these days; it prevents an end user from making permanent changes to important system/administrative files.
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Cuckoo Sandbox - Cuckoo Sandbox provides detailed analysis of any suspected malware to help protect you from online threats.
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.