Server
Official local development server for Squarespace websites
Development Tools
Toolbelt
Utilities for building and maintaining Squarespace templates.
ESLint Config
Provides the universal configuration for eslint at Squarespace.
Frontend Modules
Core
Official frontend JavaScript API for Squarespace sites. Contains methods to handle Lifecycle, ImageLoader, and Tweak.
Controller
Lightweight control assigner for DOM elements
Mercury
Simple, site-wide, plug-and-play AJAX loading to replace traditional page loads, with HTML5 history and lifecycle events included.
Darwin
MutationObserver implementation for convenience
Ancillary
Moves elements into the right place
Layout: Base Class
Base class for building Squarespace layout modules
Layout: Autocolumns
Layout module to arrange items in a vertical grid
Layout: Slideshow
Layout module to arrange items in a slideshow
Polyfills
Polyfill library for Squarespace templates
Social Links
Social links JSON-T partial and styles
Video Background
A partial, styles, and scripts for use with Video Background Rendering.
Video Background Rendering
Use the YouTube or Vimeo API to display a video background inside a container element with configurable properties.
Template Frameworks
Wright
Versatile all-purpose template with a stacked index collection and flexible header. Also known as the "Brine Family".
Endeavor
Portfolio template with fullscreen index list view. Also known as the "Tremont family".
Bureau
A template with grid-based, magazine-style blog. Also known as the "Skye family".
Dossier
A template for grid-style blogs. Also known as the "Farro family".
Doncab
A portfolio framework. Also known as the "York family".