X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Callblock - The first app to block telemarketers automatically in iOS
Two Factor Auth (2FA) - List of websites and whether or not they support 2FA
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
Google Titan - A 2FA device to protect yourself from hackers
SpoofCard - Disguise your Caller ID