Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Crowdin - Localize your product in a seamless way
andOTP - andOTP is a two-factor authentication App for Android 4.4+
POEditor - The translation and localization management platform that's easy to use *and* affordable!
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.