Source code for 2FAS Auth iOS app
A free, secure and open source app for Android
Official Android implementation of a modern two-factor authentication
Source code for 2FAS Auth Android app
A native, lightweight and secure one-time-password (OTP) client
iOS client for Proton Authenticator
FIDO® Certified StrongKey FIDO Server (SKFS)
Open source two-factor authentication for Android
Token-based AngularJS authentication