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CMS comparison EmDash vs Squarespace

EmDash vs Squarespace

EmDash is an open-source traditional CMS that you host yourself. Squarespace is a closed-source site builder that runs on the vendor's cloud. The table below sets them side by side on 28 features. They get a different status on 16.

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  • EmDash Traditional · Open source · 14 of 28 built in
  • Squarespace Site builder · Closed source · 9 of 28 built in

Sources checked: EmDash on 29 Sept 2026, Squarespace on 29 Sept 2026. Plans and releases can change after those dates.

WAYF is an official Payload partner and top contributor. Every platform in the table is classified by the same published definitions, and each answer lists the vendor page it came from.

Feature comparison

Built inPaid tierPlugin or add-onLimitedNot available
EmDash vs Squarespace feature comparison. Columns are the two platforms. Rows are features, grouped by area.
Platform
EmDash Traditional
Squarespace Site builder
Overview
What it is Open-source CMS from Cloudflare that runs inside an Astro site, with the admin and pages in one app on Cloudflare Workers or Node.js.Hosted website builder with templates, a visual editor, blogging and commerce. Squarespace runs the hosting.
Edition compared The product and release each column describes. EmDash 1.0, open source Version 1.0.1, released 28 Sept 2026 Squarespace website plans on version 7.1 SaaS, continuously updated
Vendor Cloudflare emdashcms.com Squarespace, Inc. squarespace.com
Licence Open source MIT Closed source Proprietary
Hosting Self-hosting No vendor cloud No managed hosting. You deploy to your own Cloudflare account or Node.js server. No self-hosting Vendor cloud
Built with TypeScript, AstroHosted SaaS, custom CSS and JavaScript on Core and higher plans
Database SQLite, Cloudflare D1, PostgreSQL, libSQLManaged by Squarespace
Pricing Public list prices only. Hosting and implementation are extra everywhere. Free to start Free and open source. You pay only for hosting. No free option Basic $19, Core $29, Plus $49, Advanced $99 per month billed annually in the US. 14-day free trial.
Content modelling
Content model in code You define content types in files in your repository, review them like any other code and apply them from there. Imperative migration scripts alone count as limited. Limited Seed files set up new sites. A live site's model changes through the admin, API or CLI. 20 Limited Custom post types in template.conf, only with Developer Mode on version 7.0. 23
Content model in the UI Admins can create and change content types and fields in the admin interface without writing code. Built in Admin role only. 220 Not available Fixed page and collection types. No custom fields in the editor. 2
Reusable blocks Editors compose pages from reusable, typed components or blocks, and can reorder them. Built in Blocks field with versioned block types. 5 Built in Editors add and reorder sections and blocks.
Localization Editors translate content per locale inside the CMS, by field or by entry, without a separate site for each language. Built in Each translation is a separate entry with its own status. 6 Plugin or add-on Weglot extension. Without it, editors duplicate pages per language. 45
Image transformations The CMS resizes, crops or converts images on request, through URL parameters or generated sizes, with no external service. Built in Uses Astro's image endpoint for sizes and formats. Crop and focal point in the editor. 78 Built in Squarespace serves uploaded images in generated sizes.
APIs and delivery
REST API A documented REST or JSON HTTP API returns content. Built in 9 Limited Commerce APIs for products, orders and inventory on Core and up. No API for pages. 16
GraphQL API The vendor or an official module provides a GraphQL API for content. Not available Not available
Webhooks The CMS can call an external URL when content is created, changed or published. Plugin or add-on Official webhook-notifier plugin. 18 Limited Commerce events only, through the Webhook Subscriptions API. 7
Renders the website The CMS itself renders and serves the public pages through themes or templates. Headless-only products answer no. Built in The Astro site renders the pages. 2 Built in
Editorial workflow
Drafts Editors save changes as a draft and publish them later. The live version stays untouched until then. Built in 10 Paid tier Page drafts need a Premium or Enterprise plan. Blog posts can be drafts on any plan. 8
Scheduled publishing An editor can set a future date and time for content to publish or unpublish. Built in 10 Limited Blog posts only. 9
Version history The CMS keeps earlier versions of an entry, and editors can compare or restore them. Built in On revision-enabled collections. 10 Not available Undo and redo within an editing session only. 10
Preview Editors can see unpublished content rendered as it will appear on the site before publishing. Built in Signed preview links. 11 Built in Editing happens on the rendered page.
Visual editing Editors can click on the rendered page and edit content in place or in a side panel next to it. Built in Signed-in editors get visual editing on the rendered page. 11 Built in
Approval workflows Content moves through review stages you configure, such as draft, review and approved, with permissions per stage. Not available Contributors cannot publish. No configurable review stages. 1210 Limited Enterprise Draft editor role drafts pages for an admin to publish. No custom stages. 811
Content releases Editors group changes across several entries and publish them together as one release. Not available Not available
Real-time co-editing Two or more editors can work on the same entry at once and see each other's changes live. Not available Not available
Access and governance
Custom roles Admins define their own roles with granular permissions instead of picking from a fixed set. Not available Five fixed roles from Subscriber to Admin. 12 Not available Fixed contributor permission types. 11
Field-level permissions Admins can restrict access to single fields, on top of content types and entries. Not available 12 Not available
Single sign-on Editors can sign in through SAML or OpenID Connect against a company identity provider. Limited Microsoft Entra sign-in built in. Other IdPs through Cloudflare Access. No native SAML. 12 Paid tier Premium and Enterprise plans. OpenID Connect through Entra ID, SAML through Google. 1718
Audit log The CMS logs who changed what and when across the whole installation, and admins can review the log. Plugin or add-on Official audit-log plugin. 19 Not available
Platform and extensibility
Multiple sites One installation or account can manage several separate websites or brands with shared users. Not available Limited Each site needs its own plan. Enterprise teams manage several sites from one account. 11
Extensible admin UI Developers can add their own components, views or fields to the editing interface. Built in Plugins add admin pages and dashboard widgets. 13 Not available
Plugin marketplace The vendor runs an official directory or marketplace of installable extensions. Built in Plugin registry, launched with 1.0. 143 Built in Squarespace Extensions, a directory of third-party tools. 12
Form builder Editors can build and publish forms and collect submissions without code. Plugin or add-on Official forms plugin. 17 Built in Form blocks store submissions. 13
Site member accounts The platform handles sign-up and login for public site users or members, separate from editors. Limited Subscriber role reads member-only content. Members share the editors' user system. 12 Built in Customer accounts on all plans. Member sites for gated content. 114
AI writing assistant A first-party AI feature in the editing interface generates, rewrites or translates content. Not available Built in Squarespace AI writer. Monthly AI credits vary by plan. 115
Official MCP server The vendor publishes a Model Context Protocol server so AI agents can read or write content. Built in Built in and on by default. 15 Not available The official MCP server covers domain search only. It can't reach site content. 16

Considering more platforms? Compare EmDash and Squarespace with the rest of your shortlist in the CMS comparison tool.

Where they differ

EmDash and Squarespace get a different status on 16 of the 28 features and the same status on 12. EmDash has 14 built in on its baseline edition, Squarespace has 9. Two matching statuses can still name different paid tiers or limits, so read the notes in the table before treating a row as equal.

Licence
EmDash is open source (MIT). Squarespace is closed source (Proprietary).
Self-hosting
EmDash can be self-hosted. Squarespace cannot be self-hosted.
Vendor cloud
EmDash has no vendor-run cloud. Squarespace has a vendor-run cloud.
Free option
EmDash has a free option. Squarespace has no free option.

Built in on EmDash, a different answer on Squarespace 8

  • Content model in the UI EmDash: Built in. Squarespace: Not available.
  • Localization EmDash: Built in. Squarespace: Plugin or add-on.
  • REST API EmDash: Built in. Squarespace: Limited.
  • Drafts EmDash: Built in. Squarespace: Paid tier.
  • Scheduled publishing EmDash: Built in. Squarespace: Limited.
  • Version history EmDash: Built in. Squarespace: Not available.
  • Extensible admin UI EmDash: Built in. Squarespace: Not available.
  • Official MCP server EmDash: Built in. Squarespace: Not available.

Built in on Squarespace, a different answer on EmDash 3

  • Form builder EmDash: Plugin or add-on. Squarespace: Built in.
  • Site member accounts EmDash: Limited. Squarespace: Built in.
  • AI writing assistant EmDash: Not available. Squarespace: Built in.

Built in on neither, with different answers 5

  • Webhooks EmDash: Plugin or add-on. Squarespace: Limited.
  • Approval workflows EmDash: Not available. Squarespace: Limited.
  • Single sign-on EmDash: Limited. Squarespace: Paid tier.
  • Audit log EmDash: Plugin or add-on. Squarespace: Not available.
  • Multiple sites EmDash: Not available. Squarespace: Limited.

More comparisons

EmDash against other platforms

Squarespace against other platforms

Open the CMS comparison tool to put up to six platforms in one table.

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