C Authentication Software

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Browse free open source C Authentication Software and projects below. Use the toggles on the left to filter open source C Authentication Software by OS, license, language, programming language, and project status.

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  • 1
    *NOTE* Migrated to http://github.com/cracklib/cracklib Next generation version of libCrack password checking library. As of Oct 2008 (reflected in 2.8.15 code release), licensed under LGPL.
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    4.9 out of 5 stars 7 Reviews
    Downloads: 1,998 This Week
    Last Update:
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  • 2
    OpenPAM
    OpenPAM is an open source PAM library that focuses on simplicity, correctness, and portability.
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    Downloads: 187 This Week
    Last Update:
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  • 3

    DACS - Distributed Access Control System

    Authentication, Access Control, and Single Sign-On

    DACS,a light-weight single sign-on and role-based security system for Apache or server-based software, provides comprehensive authentication capabilities, and powerful, transparent rule-based authorization checking for any web service or CGI program. The latest release is DACS 1.5.2 (28-Aug-2026) It is not available here! Get it at https://dacs.dss.ca/download.html
    Downloads: 30 This Week
    Last Update:
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  • 4

    Cosign: Web Single Sign-On

    Open Source Web Single Sign-On

    An open source project originally designed to provide the University of Michigan with a secure single sign-on web authentication system. Cosign is part of the National Science Foundation Middleware Initiative (NMI) EDIT software release.
    5.0 out of 5 stars 3 Reviews
    Downloads: 6 This Week
    Last Update:
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  • 5
    CPU is meant to be a swiss army knife for administrators who are currently using or wanting to use an LDAP backend for user authentication. This project allows for easy user administration of LDAP users and allows for user and group mods, deletes and add
    Downloads: 20 This Week
    Last Update:
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  • 6
    WiKID Two-Factor Authentication System

    WiKID Two-Factor Authentication System

    Two-factor authentication system

    The WiKID Strong Authentication System is a public-key based two-factor authentication system. It is a flexible, extensible, and secure alternative to tokens, certs and passwords. Application & API support exists for Java, ASP, PHP, Ruby, OpenVPN, TACACS+, etc. Read our eGuide on how to setup your network with two-factor authentication: http://www.wikidsystems.com/learn-more/two-factor-authentication-white-papers
    5.0 out of 5 stars 2 Reviews
    Downloads: 4 This Week
    Last Update:
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  • 7
    PAM module which permits authentication for arbitrary services via ssh-agent. Written with sudo in mind, but like any auth PAM module, can be used for for many purposes.
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    5.0 out of 5 stars 1 Review
    Downloads: 6 This Week
    Last Update:
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  • 8
    Purpose of this project is to build portable, easy-to-use and standard compliant library suitable for developing free and commercial software that need support for a RADIUS protocol (RFCs 2138 and 2139).
    Downloads: 9 This Week
    Last Update:
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  • 9

    libpam-pgsql

    Project moved to github: https://github.com/pam-pgsql/pam-pgsql

    Project has been moved to github: https://github.com/pam-pgsql/pam-pgsql
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    5.0 out of 5 stars 1 Review
    Downloads: 5 This Week
    Last Update:
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  • 10

    LoginApp

    X display management and authentication application

    Login.app is an X server management and authentication application. User authentication is performed with either a username/password or via SmartCard based authentication. At startup the app launches the X server and presents an authentication panel which also recongnizes several commands (reboot, halt, exit and console). SmartCard support relies on the OpenSSH authorized_keys file method for authentication and also requires OpenSC, pcsc-lite and OpenSSL.
    Downloads: 6 This Week
    Last Update:
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  • 11
    Implementation of checkpassword-compatible PAM authentication program. Details on "checkpassword" interface are available at http://cr.yp.to/checkpwd.html
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    Downloads: 6 This Week
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  • 12
    JRadius - A Radius Server Java Adapter and Java Client
    Downloads: 5 This Week
    Last Update:
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  • 13
    Configure Unix users and groups in a MySQL database. It is system-wide like NIS or LDAP! It features open-ended database design and persistent connections. Works with NSS-compatible systems (Linux, Solaris, FreeBSD).
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    Downloads: 4 This Week
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  • 14
    This module provides single sign-on behavior. The user types a passphrase when logging in and is allowed in if it decrypts the user's SSH private key. An ssh-agent is started and keys are added. For the entire session, the user types no more passwords.
    Downloads: 4 This Week
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  • 15
    PAM SASL Module
    PAM module for SASL password authentication.
    4.0 out of 5 stars 1 Review
    Downloads: 2 This Week
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  • 16
    LDAP Account Sync project's goal is to synchronize windows user account information and passwords in a OpenLDAP server. This is not authorization, but rather synchronization of the account information. This service can be used for single login site
    Downloads: 3 This Week
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  • 17

    pGina

    pGina is an open source replacement authentication system for Windows

    pGina is an open source replacement authentication system for the Windows OS that uses easy to write plugins to accommodate for authentication via limitless back ends. We have a new home: http://www.pgina.org or http://github.com/pgina/
    Downloads: 3 This Week
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  • 18
    GQ is an LDAP client based on GTK+/GTK2
    4.5 out of 5 stars 2 Reviews
    Downloads: 1 This Week
    Last Update:
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  • 19
    The AACLS acronym stands for "Advanced ACL Server". This is an OpenLDAP server backend, in other words, a LDAP content filtering gateway based on an ACL langage used to describe relations between entries. Patches is now released under OpenLDAP License
    Downloads: 2 This Week
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  • 20
    Yap2lc (Yet Another Passwd 2 LDIF Converter) is an LDAP migration tool, which extracts information from passwd, shadow/passwd, and master.passwd formatted files, filters out unwanted/misshapen accounts and writes an LDIF file for easy importing.
    Downloads: 2 This Week
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  • 21
    PAM module that authenticates against a remote IMAP or IMAPS server. Supports multiple servers, SSL, password caching, user blacklists, and many configuration abilities.
    Downloads: 2 This Week
    Last Update:
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  • 22
    raddump interprets captured RADIUS packets to print a timestamp, packet length, RADIUS packet type, source and destination hosts and ports, and included attribute names and values for each packet.
    Downloads: 2 This Week
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  • 23
    BRUTALIS - BRUTeforce ALternative Is Stupid. Brutalis generate brute force passwords. It can be integrated in any command line for an attack and support resume, character panel, minimum and maximum length, special separating characters and more.
    Downloads: 1 This Week
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  • 24
    The LDAP proxy is designed to be the part of the email encryption infrastructure which would simplify finding and using public encryption keys contained in X.509 public certificates.
    Downloads: 1 This Week
    Last Update:
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  • 25
    Likewise Open is an open source, community project sponsored by Likewise Software that integrates Linux, Unix and Mac platforms with Microsoft Active Directory. To download Likewise Open for free, go to http://www.Likewise.com/
    Downloads: 1 This Week
    Last Update:
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