OpenID is an open standard that describes how users can be authenticated in a decentralized manner, eliminating the need for services to provide their own ad hoc systems and allowing users to consolidate their digital identities.
OAuth is an open standard for authorization. It allows users to share their private resources (e.g. photos, videos, contact lists) stored on one site with another site without having to hand out their credentials, typically supplying username and password tokens instead.
LoginRadius is SaaS based CIAM platform that manages consumer identity and privacy, allowing businesses to customize a secure and delightful digital experience their consumers will love.
10Duke Identity Provider makes it easy for your customers to access and register to multiple applications with single username and password or using their favorite social login, secures profile data and easily integrates with leading business tools.
LemonlLDAP::NG is a modular Web-SSO based on Apache::Session modules. It simplifies the build of a protected area with a few changes in the application. It manages both authentication and authorization and provides headers for accounting.
Centrify provides Unified Identity Services across data center, cloud and mobile — resulting in one single login for users and one unified identity infrastructure for IT. Centrify's software and cloud services let organizations securely leverage their existing identity...
A project of the Bluenumber Foundation, humanID is an independent single sign-on built for privacy and designed to restore integrity to the web. We believe the path to a safer internet is a user-centric digital identity system that is both accountable and anonymous.
Place a button on your site or application which allows Twitter users to enjoy the benefits of a registered user account in as little as one click. Works on websites, iOS, mobile and desktop applications.
Unikname Connect is a next-gen login solution that protects your users’ digital identity and your business from hacks.
IndieAuth is a way to use your own domain name to sign in to websites. It works by linking your website to authentication providers such as Twitter or Google, then entering your domain name in the login form on websites that support IndieAuth.