Modules for Backdrop CMS

AutoFloat

This module contains helper functions for Backdrop developers. It provides a
wide array of tools for examining the functionality of your site, including:

This is a port to Backdrop of the Drupal contributed module 'Views Slideshow' v7.x-3.x

It provides an API module Views Slideshow and one implementation of
that API in a submodule Views Slideshow Cycle.

This module is a port to Backdrop of the Drupal contributed module 'Commentsblock'.
It puts the comments and the comment form from a module into a block which can then be placed
in a different location within a layout.

Backdrop APC

This is a port of Drupal's APC Module to Backdrop CMS.

Webform Remote Post is a module that works along the Webform module. It eases the integration between Webforms and other web applications (including systems like Salesforce and Eloqua).

This a simple module that allows you to set a vertical parallax effect on the background of any element on the DOM.

Void Menu creates valid link item placeholders for use in the Backdrop menu system. This module allows you to use items in your links that would previously be rejected by Backdrop.

A light-weight, customizable lightbox plugin for jQuery 1.4.3+. Iframed or
inline images or content can be displayed in a popup or modal "lightbox" above
the current page.

The Colorbox module:

Honeypot uses both the honeypot and timestamp methods of deterring spam bots
from completing forms on your Backdrop site. These methods are effective against
many spam bots, and are not as intrusive as CAPTCHAs or other methods which
punish the user.