User Management

This is D8 port route for vcard module

This module processes all users and checks if the user still exist in the remote LDAP server.
This module also works with multiple Ldap-servers (This doesnt work in the core ldap module).
Optionally removes the orphaned user at another Drupal installation (same host, using drush)

Simple User Management

This module provides a way to let clients easily approve users as well as grant them particular roles such as site editors assigning editor role to other new users (but avoiding editors granting or gaining administrator access). The module provides quick access operations from the people list to approve and delegate roles.

It uses the excellent Role Delegation module under the hood for delegating roles and provides it's own simple interface for approving users without the need for the 'administer users' permission.

Default Drupal user registration form is somewhat complicated for older people and children. They usually have troubles with email and even user name.
This module replaces default registration form with simplified one. New users have to enter only real name and optionally a birth year. All other is generated automatically:

Bulk invite many users by creating accounts given nothing but a list of e-mail addresses.

A module that accepts a JSON POST request that registers a user into Drupal.

Deactivate User module set the user status to inactive when the configured conditions are matched. These conditions are been configured by the administrator.

Administrator can set the following conditions:

Picker uses the Select Picker jQuery plugin to make your
elements more user-friendly.

Installation
Download the Select Picker jQuery plugin and extract the folder under /libraries as select_picker
Download and enable the module.

Usage
For the entities having the select form element, for that in the manage display you will find the picker widget, which will changes the select elements to picker

This module allows your site to act as registration authority (RA) as part of a public key infrastructure (PKI).

Once registered, users will be able to generate certificates they can use as credentials. For example, such certificates can be used to log into sites running Certificate Login without usernames or passwords.