CAPTCHA and Drupal 11

Provides a generic service for logging in and registering users that are authenticated against an external site or service and storing the authentication details.

The Field Permissions module allows site administrators to set field-level permissions to edit, view and create fields on any entity. Features Enable field permissions on any entity, not just nodes. Role-based field permissions allowing different viewing patterned based on what access the user has. Author-level permissions allow viewing and editing of fields based on who the entity owner is.

Provides a GDPR cookie banner where you can gather consent from the user when the website stores cookies on their computer or otherwise handles their personal information.

Allows site administrators (or anyone with enough permissions) to switch users and surf the site as that user

Gives users with specific roles the ability to view unpublished content of certain content types.

This module supports enforcing restrictions on user passwords by defining password policies. Overview A password policy can be defined with a set of constraints which must be met before a user password change will be accepted. Each constraint has a parameter allowing for the minimum number of valid conditions which must be met before the constraint is satisfied.