Enterprise cloud-based identity and access management solution with single sign-on, active directory integration and 2-factor authentication options CAS / Central Authentication Service: Apereo: Free & Open Source

A powerful authentication, authorization and verification package built on top of Laravel. It provides developers with Role Based Access Control, Two-Factor Authentication, Social Authentication, and much more, compatible Laravel’s standard API and fully featured out of the box. FreeOTP Two-Factor Authentication FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols. Tokens can be added easily by scanning a QR code. If you need to generate a QR code, try our QR code generator. FreeOTP implements open standards: HOTP and TOTP. This means that no proprietary server-side component is Two-factor authentication for Apple ID - Apple Support Jun 17, 2020

Authelia is an open-source highly-available authentication server providing single sign-on capability and two-factor authentication to applications running behind NGINX. Authelia works in cooperation with proxies at the edge of your network to protect your internal resources.

New Pushtoken, Offline OTP Authentication, HA out of the box, LinOTP Cloud or on premise enterprise support. Learn More. Enterprise ready. LinOTP provides a wide range of features. View details » Open Source. LinOTP is licensed under AGPLv3 and GPLv2. Zimbra Collaboration 8.7: Two-factor authentication (2FA Coming with Zimbra Collaboration 8.7 is an exciting new feature: two-factor authentication (also known as 2FA). Two-factor authentication is a technology that provides identification of users with the combination of two different components. … ‎2FA - 2-Factor Authentication on the App Store

The Top 33 Two Factor Authentication Open Source Projects

Two-factor authentication Zimbra two-factor authentication is a technology that provides identification of users with the combination of two different components. These components may be something that the user knows (like a password, UserID, etc) and something that the user possesses (like a smartphone, or USB-key, etc.) Gluu's open source authentication & API access management software for securing Web & mobile applications using open standards like SAML & OpenID Connect. Its features include Single Sign-On, Access Management, OAuth, Multi-Factor Authentication, LDAP Directory Integration, User Management and lot more. two_factor_user_authenticated action which receives the logged in WP_User object as the first argument for determining the logged in user right after the authentication workflow. two_factor_token_ttl filter overrides the time interval in seconds that an email token is considered after generation. Two-Factor Authentication FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols. Tokens can be added easily by scanning a QR code. If you need to generate a QR code, try our QR code generator. FreeOTP implements open standards: HOTP and TOTP. This means that no proprietary server-side component is Pros and Cons of Open Source Two Factor Authentication (2FA) There are a number of open source Two Factor Authentication (2FA) distributions that you may be considering as a potential alternative to a commercially available solution like PortalGuard.