Custom meta tags module for Backdrop CMS.

A high-performance, client-side 3D PDF viewer and field formatter.

IP Geolocation Views & Maps for Backdrop CMS.

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.

(NOW IN CORE) Better caching logic for core book module

Builds a table of contents (TOC) from content headings.

Tocify adds a Backdrop block that auto-generates a scroll-synced table of contents with tocbot. It scans page headings, injects anchor IDs, and renders a configurable, collapsible TOC with smooth scrolling and active-link highlighting, plus admin controls for selectors, offsets, list style, and classes.

Opt-in helpers for field machine names and text value hygiene.

Implements PayPal payment services for use with Backdrop Commerce.