Sandboxie - Sandboxie is a program for Windows that is designed to allow the user to isolate individual programs on the hard drive.
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.
Shadow Defender - Shadow Defender is an easy-to-use PC/laptop security and privacy protection tool for Windows operating systems. DownloadShadow Defender is an easy-to-use PC/laptop security and .
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Reboot Restore Rx - Reboot Restore Rx (freeware) prevents any and all changes made on your drive(s) making those PC's bulletproof and unbreakable.
Nextcloud Contacts - The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.