Yubico Pluggable Authentication Module (PAM)

Pluggable Authentication Module (PAM) for U2F and FIDO2

A PAM module that protects sensitive data and provides a panic function for emergency situations. Authentication through passwords or removable media.

A PAM module to test passwords against previous leaks at haveibeenpwned.com

A Linux pam-module using https and ssl client certificates for authentication

SSH password logging via PAM

Azure Active Directory PAM Module

A light PAM module to log user's username and password.

pam-onelogin is a pretty complete pam/nss stack for using OneLogin as authentication source (with MFA) and user/group lookups. Primarily used for SSH.

A PAM module that leverages the IHaveBeenPwned API to prevent users from choosing pwned passwords everytime they run the "passwd" command

A PAM module scriptable using Lua

PAM Log Credentials

An incomplete auto-unlock PAM for GNOME computer using an Android Phone

pam-imap 0.3.9 - PAM module that authenticates a user login against a remote IMAP(S) server.

PAM authentication based on SSH authentication information

A simple PAM account module to require a special user or group to access a service

Linux PAM module to log credentials

PAM module that authenticates by id backend

PAM validity module to work with python-validity