This integrates with the standard Admin Bar where you can specify which menu items should be shown for each role.

Menu Icons adds an icon picker to Backdrop menu links and renders icons beside link titles on the front end. Editors choose any core icon name per link; values are validated, stored on menu link options, and rendered inline SVG with helper CSS for alignment. Works with theme overrides and caches.

Use the HybridAuth library to allow logins through various third party systems.

Backdrop module to identify visitor's geographical location (longitude/latitude), country, region, city and postal code based on the IP address of the visitor

Extends reference fields by adding links to add, edit, and search for references through a dialog.

The Shortcut module for Backdrop CMS provides a persistent toolbar that lets users manage personalized shortcut links without leaving the current page. Inline AJAX controls make it easy to add links, re-enable disabled items, or temporarily hide shortcuts from view.

Hides or replaces broken images on the website.

This module wraps in a variety of additional entity-related functionality from various sources. Partial port of D7 Entity API.