SlashApi - Build REST APIs fast without having to write any code.
Duo Security - Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
Altogic - Build backend apps faster
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.