andOTP - andOTP is a two-factor authentication App for Android 4.4+
HARO - HARO, or Help A Reporter Out, is an email service and online database for reporters and experts to get connected.
Aegis Authenticator - Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
PressPitch.io - Connecting journalists with sources, seamlessly!
Authenticator - Authenticator is a simple, free, and open source two-factor authentication app.
Text100 - Text100 offers PR and communication services to connect people with brands.