RCDevs OpenOTP Application enables Multi-Factor authentication for your users.
Allows using any of your logged in devices as second factor
Allow users logging in using their mailbox credentials as managed via ISPConfig
Allows administrators to restrict logins to their instance to specific IP ranges.
An app for Nextcloud to allow an administrator to direct a user to an external site for changing their password.
Authenticate users against an jasig/apereo CAS Server (https://github.com/apereo/cas)