Authenticator
Two-factor authentication in your browser itself
Competitors & alternatives
Slack MFA
Shared two factor authentication in Slack
Authenticator by 2Stable
Secure, encrypted and fast two-factor authentication app
Instant 2FA
Add two-factor auth to any site in minutes
TypingDNA Authenticator
2FA codes in your browser, secured by the way you type
Authmoji
Two-factor authentication with flair