Open Source PHP Authentication Software for Windows

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

An open source implementation of the FIDO2 protocol to support passwordless strong authentication using public-key cryptography. Supports registration, authentication (all platforms), and transaction authorization (for native Android apps).

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

Bluetooth Personal Area Network client (PAN) with Support for RADIUS / Bluetooth Network Access Server (Point) (NAS / NAP) with Radius AAA. Project is supported by Nokia. Target BT stacks MS, Widcomm, BlueZ, Affix Blu(etooth) S(ymbian) PAN

The new Ionia Student Online is a student information system for high schools, run from a web environment.

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.

IMPORTANT : The project is now being hosted at http://code.google.com/p/ciform Plug'n Auth is an API providing easy integration of different authentication mechanisms into web applications. Within a few steps web admins will be able to change both the authentication backend and the logon frontend at any time with no further effort

QuickSSO is a powerful and easy-to-configure cross-domain Single-Sign-On solution. The server is implemented by J2EE, but it does not restrict your develop language. You can add your application to SSO not only B/S application but also C/S one.

Code for reference implementations of identity brokers and simple single sign-on (SSO) mechanisms that utilize XDI and link contracts to manage the dataweb.

cSuite is a large "suite" of modules including a helpdesk, project/parts/client/workflow management, etc., written in Java with a MySQL backend. Version 1.0.0 expected Spring 2006.

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.