Blockstack Browser for the Web - A browser to explore a new internet for decentralized apps
Aegis Authenticator - Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
Gemini - Gemini is a web-based project management platform that supports for issue tracking, bug tracking, test management, help desk.
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
Stacks.co - A new internet for decentralized apps
OTP Auth - The app for calculating one-time-passwords on iPhone and iPad.