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