Many fingerprint readers and other biometric authentication devices come with software for single-factor authentication to the OS. Is there any third-party software (F/OSS or otherwise) available for making OS authentication a two-factor process, such as by requiring both a fingerprint and a passcode?

merged by AviD Jan 20 '11 at 1:33

This question was merged with Non-OEM Biometric Software? because it is an exact duplicate of that question.