Simplenews publishes and sends newsletters to lists of subscribers. Both anonymous and authenticated users can opt-in to different mailing lists. HTML email can be sent by adding Mime mail module.

Backdrop core code repository.

Stores geographic and location data (points, lines, and polygons).

Bee is a command line utility for Backdrop CMS. It includes commands that allow developers to interact with Backdrop sites.

Field Collection provides a field for entities (nodes, users, taxonomies, comments, etc.) to which a collection or group of any number of fields can be included and treated as a whole or single unit.

Provides helper functions for Backdrop developers.

A Backdrop CMS port of drupal.org/project/video_filter, a highly flexible and easily extendable filter module to embed any type of video in your site using a simple token.

A lightweight module designed to eliminate robotic form submissions on your website.

A port of the Drupal 7 Aggregator module to Backdrop.

Provides Views style plugin to build galleries with a justified responsive grid layout.

An API and widget to geocode various known data into other GIS data types.

A Backdrop CMS port of drupal.org/project/captcha, a challenge-response test on forms to determine whether the user is human.

A port of the Colorbox Drupal 7 module to BackdropCMS

Paragraphs module to control your content flow

Enable fullscreen view for Flickity carousels

Adds the Cycle2 library to Views Slideshow for Backdrop CMS

Supports configurable user profiles. Port of Drupal Profile2.

Initial Backdrop port of Active Tags module for Drupal 7.

This is an enhanced autocomplete element, that uses the jQuery UI autocomplete. It will also implement a widget for taxonomy.

BackdropCMS port of the Mandrill module for Drupal 7

Provides fieldable entity forms

Provides a sitemap that conforms to the sitemaps.org specification.

Utility that makes inserting images and links to files into text areas much easier.

Issue tracker for the BackdropCMS.org website

Backdrop port of Drupal 7 module. Image/file uploader and browser

Allows administrators to inject CSS into the page output based on configurable rules

Provide blocks which allow positioning content within them in layouts.