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Atricore’s JOSSO is an open source and commercially supported Internet Single Sign-On (FSSO) solution for point-and-click and standards-based (SAML2) Internet-scale SSO implementations. For more information contact us at : http://www.josso.org
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
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.
The OpenSSO project aims at developing open source agents for web based single-sign on for popular web applications. The agents verify user's identity in central identity module through x509 digital certificates.
This authentication plug-in enables LDAP single sign-on's from web portal SSL forms and uses a modified standalone version of the core LDAP Authentication Plug-in. Currently supports MS-ADLS (AD), and OpenLDAP (RFC2307 compliant) Server back ends.
BioWebAuth (Biometrics for Web Authentication) is an open source Java framework intended to provide single sign-on web authentication based on BioAPI-compliant biometric software or devices. It uses the JA-SIG Central Authentication Service architecture.
openWallet is a single sign-on (SSO) solution for the internet. It differs from other SSO solutions (such as MS Passport) in that the user is in charge of their own data, rather that some centralized or third party repository.
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Lightweight Authentication Module (LAM) is a language-neutral API allowing single-sign-on to be easily implemented across diverse applications. Provides authentication via CAS or other engines, and manages sessions. Client bindings in C#, Perl, or Java.
OAproject implements a plataform to allow applications to interact. Apps using the platform send/receive messages through a message oriented middleware. Main features are a Single Sign On (SSO), Identity Management System (IMS) and a provisioning system
OpenPortalGuard is a flexible, extensible, and massively scalable access control system for portals. It provides single-sign-on features for username/pw and smartcards as well as declarative access control.
Code for reference implementations of identity brokers and simple single sign-on (SSO) mechanisms that utilize XDI and link contracts to manage the dataweb.
NiBaWS is a WebService implementing many of the functions provided by Passport.NET. Each WebMaster may supply user identification and administration (including Single Sign-On) simply using SOAP messages.
A web proxy that provides Single Sign-On (SSO) into websites in a manner that protects your passwords and other sensitive information from untrusted network access devices.