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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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    Downloads: 2,616 This Week
    Last Update:
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  • 2
    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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    Downloads: 241 This Week
    Last Update:
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  • 3

    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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    Downloads: 25 This Week
    Last Update:
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  • 4
    OpenPAM
    OpenPAM is an open source PAM library that focuses on simplicity, correctness, and portability.
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    Downloads: 43 This Week
    Last Update:
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  • 5

    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.
    Downloads: 4 This Week
    Last Update:
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  • 6

    mysql-auth_ldap

    Add LDAP user authentication in MySQL

    mysql auth_ldap is an authentication plugin for the MySQL server. It allows you to create SQL users that are going to be authenticated using a LDAP server. This allows to minimize administrative duties, since your users will be able to reuse their existing account to access the database. The plugin requires MySQL 5.5.7 and up. It is compiled as an add on and does not require you to alter MySQL source code, or recompile the entire server. The plugin add support for LDAP using the openLDAP library.
    Downloads: 4 This Week
    Last Update:
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  • 7
    A virtual filesystem for FUSE that allows to navigate an LDAP tree.
    Downloads: 11 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: 11 This Week
    Last Update:
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  • 9
    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: 9 This Week
    Last Update:
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  • 10
    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
    Downloads: 3 This Week
    Last Update:
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  • 11
    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: 7 This Week
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  • 12
    pam_mount module
    pam_mount is a Pluggable Authentication Module that can mount volumes for a user session (login). Supports mounting local filesystems of any kind the normal mount utility supports, with extra code to better support CIFS, FUSE, various crypto, and more.
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    Downloads: 7 This Week
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  • 13
    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.
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    Downloads: 6 This Week
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  • 14
    Ruby/LDAP is an extension library for Ruby. It provides the interface to some LDAP libraries (e.g. OpenLDAP, Netscape SDK and Active Directory). The common API for application development is described in RFC1823 and is supported by Ruby/LDAP.
    Downloads: 3 This Week
    Last Update:
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  • 15
    GQ is an LDAP client based on GTK+/GTK2
    Downloads: 1 This Week
    Last Update:
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  • 16
    dbis

    dbis

    DBIS Reference Implementation

    Reference implementation of Directory-Based Information Services, described in IETF Internet Drafts, intended to replace NIS and RFC2307.
    Downloads: 2 This Week
    Last Update:
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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: 2 This Week
    Last Update:
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  • 18
    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: 2 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: 1 This Week
    Last Update:
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  • 20

    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 1.5.1 (26-Oct-2025) It is not available here! Get it at https://dacs.dss.ca/download.html
    Downloads: 1 This Week
    Last Update:
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  • 21
    JRadius - A Radius Server Java Adapter and Java Client
    Downloads: 1 This Week
    Last Update:
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  • 22
    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: 1 This Week
    Last Update:
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  • 23
    The purpose of this project, is to provide an open source replacement for all of Microsoft Exchange functionality. The product is delivered as an installable system that is fully functional and pre configured for use.
    Downloads: 1 This Week
    Last Update:
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  • 24
    This project has been started to publish the work done on a new backend for the DGI (France). This backend has been designed to get strong performance enhancements. It is a fork from the META backend.
    Downloads: 1 This Week
    Last Update:
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  • 25
    A tool to convert data from CSV form to LDIF form.
    Downloads: 1 This Week
    Last Update:
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