Two Factor Auth (2FA) - List of websites and whether or not they support 2FA
TypingDNA Authenticator - 2FA codes in your browser, secured by the way you type
Authentiq - Strong authentication, without the passwords
Cotter - One-click phone number login and checkout
Descript - Text-based audio editor and automated transcription
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.