Using wp single login you can easily add the functionality to allow only single login per user.
More Plugins
-
Attachment Taxonomies
-
Comments Shortcode
-
WPCafe – Restaurant Menu, Online Food Ordering & Table Booking System
-
3CX Free Live Chat, Calls & Messaging
-
Logo Showcase – Responsive Logo Carousel, Logo Slider & Logo Grid
-
Automated UPS Shipping for WooCommerce – HPOS supported
-
JC Submenu
-
Fast Velocity Minify
-
Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor
-
Astounding Spam Prevention
-
Flat Preloader
-
PWA for WP – Progressive Web Apps Made Simple
-
IP Location Block
-
Accordions – Responsive Accordion & FAQ Plugin for WordPress
-
Page Specific Menu Items
-
Functionality
-
PublishPress Revisions: Duplicate Posts, Submit, Approve and Schedule Content Changes
-
Under Construction, Coming Soon & Maintenance Mode
-
Bulk remove posts from category
-
Timeline Module for Beaver Builder