league/oauth2-server is a standards compliant implementation of an OAuth 2.0 authorization server written in PHP which makes working with OAuth 2.0 trivial. You can easily configure an OAuth 2.0 server to protect your API with access tokens, or allow clients to request new access tokens and refresh them. The latest version of this package supports PHP 7.2, PHP 7.3, PHP 7.4, PHP 8.0. The openssl and json extensions are also required. All HTTP messages passed to the server should be PSR-7 compliant. ...
Identity & Single Sign On for all earthlings and beyond
...Monitor and track application and system behavior, statistics and metrics in real-time. Manage and review audits and logs centrally, and publish data to a variety of downstream systems. Manage and register client applications and services with specific authentication policies. Cross-platform client support (Java, .NET, PHP, Perl, Apache, etc).
Cookie based web authentication and single sign on system for largish intranets under a single domain where many, untrusted, people run their own web services. The server uses a private cookie scoped only for the client browser and the idcheck webserver which is always protected with SSL.
In addition to the common practise of using SSL for everything (which idcheck supports). The idcheck system can also be used to provide authentication to websites where you merely want to hide content...
OpenFIM is an implementation of the authentication process involved in Federated Identity Management using secure SOAP. The server software has been developed using MySQL and PHP. The client software has been implemented in PHP, Java, .NET, and Perl.
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.
The Janus Authenticator is client/server scheme to allow web applications to authenticate users via a remote authenticator. The initial client, server, and login apps are written in PHP, and direct communication between the two will be done via XML-RPC.