Modules for Backdrop CMS

This module provides a site map that gives visitors an overview of your site.

It can also display the RSS feeds that are automatically generated by Backdrop
for things like taxonomy terms, books, and blogs.

Integrates with the Akismet content moderation service.

Installation

Ever wanted to use CSS Grid because you can, but don't want to mess up older browsers? Have no fear, this module adds a little CSS to make all multicolumn layouts from Backdrop core use CSS Grid.

This module provides a customisable 'maintenance mode' page, without the need
for theming.

It allows you to customise:

PDF to Image create images from PDF files automatically. This is useful if you'd
like to display a preview of the first page of your uploaded PDF, or showcase a
gallery of all the pages in a PDF file.

PDF.js project enables you to display PDF files in a web reader, using
Mozilla's PDF.js library.

See an example.

Extended functionalities

The Node Reference URL Widget module adds a new widget to the Node Reference
field type. It auto-populates a node reference field with a value from the
URL, and does not allow this value to be changed once set.

Port to Backdrop of the UI functionality of Drupal's Entity API.
Provides an administrative interface for managing entities defined in
hook_entity_info().

iframe filter embeds content in an iframe, which is useful for embedded
external content or widgets and speeding up ad provider load times.