Facebook Safety Check - Connect with friends and loved ones during a disaster
SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.
Crisis Response on Facebook - Find more information about crises and crisis response tools
Site Rank Data - View historical rank information of websites via time series charts.
RscMe - Rescue & Emergency app for Apple Watch
Quantcast - Quantcast Corporation is a digital marketing company that provides free audience demographics measurement and delivers real-time advertising.