strong, two-factor authentication with mobile phones Standard phone and BlackBerry (J2ME) iPhone Google Android Windows Phone 7 PalmOS webOS Maemo Openmoko Universal Web App Windows Linux MacOS last update of this site: April 17th, 2024 News (2024-04-17): Tingfeng ported Mobile-OTP to Dart (see Links) (2024-01-03): Adrian published a GUI for Moblie-OTP in Python on Github (see Links) (2022-10-01):