List of sites with two factor auth support which includes SMS, email, ph...
PHP library for Two Factor Authentication (TFA / 2FA)
A Security Framework for Python applications featuring Authorization (rb...
Generate 2FA tokens compatible with Google Authenticator
.Net library for Two Factor Authentication (TFA / 2FA)
:star: Antares Project Application Skeleton. This is the very first plac...
2FA Notifier is a web extension that notifies users whether or not the s...