======Security - One-time Passwords (OTP)======

[[http://www.splintered.net/sw/ootp/|OpenOTP]] is an implementation of the HOTP protocol using a ZeitControl Cardsystems ZC3.9 BasicCard and standalone balance reader, standalone Spyrus PAR2 (Personal Access Reader), or PCSC-Lite supported Smart Card reader. \\

[[https://winauth.github.io/winauth/index.html|WinAuth]] is a portable, open-source Authenticator for Windows that provides counter or time-based RFC 6238 authenticators and common implementations. Also on [[https://github.com/winauth/winauth|GitHub - winauth/winauth]].

[[http://www.multiotp.net/|multiOTP]] open source is a GNU LGPL implementation of a strong two-factor authentication PHP class. multiOTP open source is OATH certified for HOTP/TOTP. Also on [[https://github.com/multiOTP/multiotp|GitHub - multiOTP/multiotp]].