Facebook Safety Check - Connect with friends and loved ones during a disaster

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.

Crisis Response on Facebook - Find more information about crises and crisis response tools

Drupe - Next generation contact manager and dialer.

RscMe - Rescue & Emergency app for Apple Watch

Simple Contacts - Contact lens prescriptions from home