Mobile-OTP code generator with XML QRcode provisioning
Android (web):
OTP Authenticator
Android:
DroidOTP
iOS:
OTP Authenticator
WindowsPhone:
Yamotp
BlackBerry:
OTP Authenticator for Java ME
Java:
OTP Authenticator for Java ME
PalmOS:
Mobile-OTP token client for PalmOS
Web:
Mobile-OTP website