Squarespace is the largest platform in the Squarespell marketplace, with over 540 verified plugins, templates, extensions and courses built specifically for Squarespace users. Whether you are launching your first portfolio site or scaling an established online store, our catalogue covers every category of third-party tool available for the platform.
What we cover for Squarespace
Our Squarespace collection spans four product types. Plugins add functionality that Squarespace does not offer natively, from advanced form builders and booking widgets to SEO audit tools and analytics dashboards. Templates give you professionally designed starting points for portfolios, restaurants, agencies, e-commerce stores and membership sites. Extensions connect Squarespace to external services such as email platforms, payment gateways, shipping calculators and CRM systems. Courses teach you how to get more from the platform, covering topics like custom CSS, SEO fundamentals, conversion optimisation and accessibility compliance.
How we verify Squarespace products
Every product listed on Squarespell goes through a structured verification process before it earns the “Squarespell Tested” badge. For Squarespace products, our review team installs each plugin or template on a live Squarespace site running the latest version. We test core functionality, check page-speed impact using Lighthouse, confirm mobile responsiveness across three viewport sizes, and verify that the product does not inject unwanted scripts or trackers. Templates are also reviewed for accessibility against WCAG 2.1 AA criteria. Products that pass receive the verified badge and a detailed scorecard; those that fail are either delisted or marked as unverified until the vendor resolves the flagged issues.
Finding the right Squarespace product
The marketplace offers several ways to narrow your search. You can filter by product type (plugin, template, extension or course), price model (free, freemium, one-time purchase or subscription), and verification status. Sorting options include popularity, recency and editorial rating. If you already know what problem you are trying to solve, the Browse page lets you combine multiple filters at once. For curated recommendations, check our guides and tutorials where we compare products head to head and walk through real-world use cases.
Top Squarespace vendors on Squarespell
The Squarespace ecosystem has a strong community of independent developers and design studios. On Squarespell, you will find established vendors who specialise exclusively in Squarespace tooling. Each vendor profile shows their full product catalogue, verification history, average rating and response time. We recommend checking a vendor’s track record before purchasing, especially for plugins that require ongoing updates to stay compatible with Squarespace platform releases.
Squarespace guides and community
Beyond the product listings, Squarespell publishes in-depth guides on getting the most from Squarespace. Our blog covers platform updates, design best practices, SEO strategies and integration tutorials. The Q&A section lets you ask questions and get answers from other Squarespace users and from our editorial team. If you are comparing Squarespace to another platform, our comparison pages break down the differences across features, pricing and third-party support.
Browse Squarespace products
Ready to explore? Use the links below to jump straight into filtered views of our Squarespace catalogue: