Computers, Security, Authentication, Single Sign-On - Evidian. Makers of AccessMaster and PortalXpert, providing desktop and internet application access control.
Computers, Security, Authentication, RADIUS - XtRadius. Freeware server allowing external processes to determine access (as from a database or other source).
Computers, Security, Authentication, One Time Passwords - PyOTP. A simple Python library, currently under development, to generate OTP (S/Key) responses.
Computers, Security, Authentication, One Time Passwords - DynaPass. Provides primary or secondary authentication by regularly distributing passwords (or parts of passwords) through wireless phones.