This is a list of Drupal 7 modules that have been included in Backdrop CMS core, as individual modules.

Module (or feature) Notes
Admin Menu The Drupal 7 admin_menu module has been renamed Admin Bar, and refactored to be responsive and touch-friendly.
CKEditor (ckeditor) Makes the Drupal 7 contrib CKEditor module obsolete, but comes with a vastly simpler & better configuration UX, and much deeper integration.
Date Provides the field type and a light API. No recurring dates or calendar functionality.
Email There's email field with widget and 2 basic formatters in Core
Link
Project browser The Drupal 7 project_browser mdoule has been renamed Project Installer. It also includes the instalation functionality previously provided in Drupal 7, so that all project installation can be safely disabled.
Redirect The Drupal 7 token module has been integrated with the Backrop System module.
Views & Views UI The most popular Drupal module was added as well as conversions of almost all lists to Views (including administration pages).

This is a list of Drupal 7 modules that have been included in Backdrop CMS core, as part of other system modules. Not all features are identical equivalents of the contributed modules you have known before.

Module (or feature) Notes
Caption filter (part of filter module) Drupal 8 ships with the ability to align and caption images. The implementation is based on Drupal 7's Caption Filter module.
CTools
  • Ctools exportables have been replaced by the Backdrop configuration management system
  • The CTools object cache is now replaced by the Backdrop core TempStore.
  • CTools Dependent is replaced by Form API #states.
  • Backdrop core supports modal dialogs, replacing CTools' modal dialogs.
  • All CTools functionality that Views relied on is now superceded by Backdrop core functionality.
  • The CTools plugin system ...
Entity API
Entity Cache
Pathauto The Drupal 7 pathauto module has been integrated with the Backrop Path module.
Token The Drupal 7 token module has been integrated with the Backrop System module.
Total Control Administrtive Dashboard The total_control Drupal 7 module has been renamed Dashboard, replacing the Drupal 7 dashboard module. Additional administrative blocks have been added.
Introduced in branch: 
1.0.x
Introduced in version: 
1.0.0
Impacts: 
Architects, Administrators, Editors
Module developers