Based on our record, privacyIDEA seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You might want to take a look at our open source solution privacyIDEA or go with anything else. Take care, to not enter a vendor lock in. Source: about 4 years ago
JSON Web Token - JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
OAuth2 - Application and Data, Application Utilities, and User Management and Authentication
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
LDAP - LDAP is a very flexible standards-based method that can be used to store and query information about users, groups, devices and provide authentication and authorization services in a networked environment.
Rublon - Rublon enables your workforce to securely access your organization's networks, servers and applications via easy-to-use multi-factor authentication. Protect cloud apps, VPNs, servers, workstations, internal as well as on-premise apps.