To compile information about people in Puerto Rico that had been uncommunicated and are now contacted, access:

Contacted People Form

If you are yet to find your loved ones or have information about someone, you can use Google's person finder

If your friends or family members have internet, but no cellular signal, send them the link for Conecta Maria (project by Omar Ferrer - Github):

Free service -

Check on your Facebook for news on Hurricane Maria and if YOUR friends are safe (no need for login):

In collaboration with Maria Tech Brigade