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CMS comparison Adobe Experience Manager vs EmDash

Adobe Experience Manager vs EmDash

Adobe Experience Manager is a closed-source enterprise DXP that runs on the vendor's cloud. EmDash is an open-source traditional CMS that you host yourself. The table below sets them side by side on 28 features. They get a different status on 13.

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  • Adobe Experience Manager Enterprise DXP · Closed source · 25 of 28 built in
  • EmDash Traditional · Open source · 14 of 28 built in

Sources checked: Adobe Experience Manager on 29 Sept 2026, EmDash 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
Adobe Experience Manager vs EmDash feature comparison. Columns are the two platforms. Rows are features, grouped by area.
Platform
Adobe Experience Manager Enterprise DXP
EmDash Traditional
Overview
What it is Adobe's enterprise CMS for websites and headless content, run by Adobe as a cloud service with page, fragment and document-based authoring.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.
Edition compared The product and release each column describes. Adobe Experience Manager Sites as a Cloud Service Version 2026.9.0, released 24 Sept 2026 EmDash 1.0, open source Version 1.0.1, released 28 Sept 2026
Vendor Adobe business.adobe.com Cloudflare emdashcms.com
Licence Closed source Proprietary Open source MIT
Hosting No self-hosting Vendor cloud Cloud Service runs only on Adobe's cloud. AEM 6.5 LTS is the separate self-hosted edition. Self-hosting No vendor cloud No managed hosting. You deploy to your own Cloudflare account or Node.js server.
Built with Java, Apache Sling, OSGi, HTLTypeScript, Astro
Database Apache Jackrabbit Oak repository, managed by AdobeSQLite, Cloudflare D1, PostgreSQL, libSQL
Pricing Public list prices only. Hosting and implementation are extra everywhere. No free option Pricing on request. Free to start Free and open source. You pay only for hosting.
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. Built in Components, dialogs and Universal Editor models live in the project repository. 2 Limited Seed files set up new sites. A live site's model changes through the admin, API or CLI. 20
Content model in the UI Admins can create and change content types and fields in the admin interface without writing code. Built in Content Fragment Model editor. 3 Built in Admin role only. 220
Reusable blocks Editors compose pages from reusable, typed components or blocks, and can reorder them. Built in 29 Built in Blocks field with versioned block types. 5
Localization Editors translate content per locale inside the CMS, by field or by entry, without a separate site for each language. Built in Language copies with translation projects and connectors. 4 Built in Each translation is a separate entry with its own status. 6
Image transformations The CMS resizes, crops or converts images on request, through URL parameters or generated sizes, with no external service. Built in Web-optimized image delivery resizes, crops and converts DAM images to WebP. 5 Built in Uses Astro's image endpoint for sizes and formats. Crop and focal point in the editor. 78
APIs and delivery
REST API A documented REST or JSON HTTP API returns content. Built in Content Fragment Delivery with OpenAPI. 6 Built in 9
GraphQL API The vendor or an official module provides a GraphQL API for content. Built in GraphQL for Content Fragments. 6 Not available
Webhooks The CMS can call an external URL when content is created, changed or published. Built in AEM Eventing delivers events through Adobe I/O Events. 7 Plugin or add-on Official webhook-notifier plugin. 18
Renders the website The CMS itself renders and serves the public pages through themes or templates. Headless-only products answer no. Built in HTL page rendering or Edge Delivery Services. 10 Built in The Astro site renders the pages. 2
Editorial workflow
Drafts Editors save changes as a draft and publish them later. The live version stays untouched until then. Built in Edits stay on the author tier until published. 11 Built in 10
Scheduled publishing An editor can set a future date and time for content to publish or unpublish. Built in Publish later and unpublish later. 11 Built in 10
Version history The CMS keeps earlier versions of an entry, and editors can compare or restore them. Built in Built in On revision-enabled collections. 10
Preview Editors can see unpublished content rendered as it will appear on the site before publishing. Built in Separate preview tier. Built in Signed preview links. 11
Visual editing Editors can click on the rendered page and edit content in place or in a side panel next to it. Built in Universal Editor and Page Editor. 9 Built in Signed-in editors get visual editing on the rendered page. 11
Approval workflows Content moves through review stages you configure, such as draft, review and approved, with permissions per stage. Built in Not available Contributors cannot publish. No configurable review stages. 1210
Content releases Editors group changes across several entries and publish them together as one release. Built in Launches group changes across pages and promote them together. 8 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. Limited Only with document authoring in Word or Google Docs. The Universal Editor has no co-editing. 10 Not available
Access and governance
Custom roles Admins define their own roles with granular permissions instead of picking from a fixed set. Built in AEM groups with repository permissions. 12 Not available Five fixed roles from Subscriber to Admin. 12
Field-level permissions Admins can restrict access to single fields, on top of content types and entries. Limited Repository ACL restrictions can target named properties. No per-field setting in the editors. 12 Not available 12
Single sign-on Editors can sign in through SAML or OpenID Connect against a company identity provider. Built in SAML or OIDC federation through Adobe Admin Console. 13 Limited Microsoft Entra sign-in built in. Other IdPs through Cloudflare Access. No native SAML. 12
Audit log The CMS logs who changed what and when across the whole installation, and admins can review the log. Built in Page, replication and DAM audit logs. 14 Plugin or add-on Official audit-log plugin. 19
Platform and extensibility
Multiple sites One installation or account can manage several separate websites or brands with shared users. Built in Multi Site Manager with live copies. 15 Not available
Extensible admin UI Developers can add their own components, views or fields to the editing interface. Built in UI extensions built with App Builder. 16 Built in Plugins add admin pages and dashboard widgets. 13
Plugin marketplace The vendor runs an official directory or marketplace of installable extensions. Built in Extension Manager catalogue of Adobe and partner extensions. 16 Built in Plugin registry, launched with 1.0. 143
Form builder Editors can build and publish forms and collect submissions without code. Built in Core Components form container emails, posts or stores submissions. 17 Plugin or add-on Official forms plugin. 17
Site member accounts The platform handles sign-up and login for public site users or members, separate from editors. Limited Publish-tier login via SAML or OIDC. Sign-up flows need custom code and user sync. 1813 Limited Subscriber role reads member-only content. Members share the editors' user system. 12
AI writing assistant A first-party AI feature in the editing interface generates, rewrites or translates content. Built in Generate Variations needs AEM Cloud Service with Edge Delivery entitlement. Licence includes an action allowance; extra actions cost more. 19 Not available
Official MCP server The vendor publishes a Model Context Protocol server so AI agents can read or write content. Built in AEM MCP Server for pages, fragments and assets. 20 Built in Built in and on by default. 15

Adobe Experience Manager sources

Checked 29 Sept 2026. Adobe Experience Manager Sites as a Cloud Service.

  1. Current release notes for AEM as a Cloud Service (2026.9.0)
  2. Universal Editor component definition
  3. Content Fragment Models
  4. AEM Sites translation journey
  5. Web-optimized image delivery (Core Components)
  6. AEM APIs for structured content delivery and management
  7. Webhooks and AEM Events
  8. Launches for pages
  9. Universal Editor introduction
  10. AEM Sites and Edge Delivery Services
  11. Publishing pages from the Sites console
  12. AEM users, groups and permissions
  13. Authentication in AEM as a Cloud Service
  14. Maintenance tasks, including audit log purge
  15. MSM best practices
  16. Extension Manager in AEM
  17. Core Components Form Container
  18. Registration, login and user profile
  19. Generate Variations integrated in AEM editors
  20. AEM MCP Server

EmDash sources

Checked 29 Sept 2026. EmDash 1.0, open source.

  1. emdash on the npm registry
  2. EmDash homepage
  3. EmDash 1.0: an open source CMS for Astro
  4. EmDash repository on GitHub
  5. EmDash docs: Blocks
  6. EmDash docs: Internationalization
  7. EmDash docs: Configuration reference
  8. EmDash docs: Media Library
  9. EmDash docs: REST API
  10. EmDash docs: Content lifecycle
  11. EmDash docs: Preview mode
  12. EmDash docs: Authentication
  13. EmDash docs: Plugins overview
  14. EmDash docs: Plugin registry
  15. EmDash docs: AI tools and MCP server
  16. EmDash docs: Database options
  17. @emdash-cms/plugin-forms on the npm registry
  18. @emdash-cms/plugin-webhook-notifier on the npm registry
  19. @emdash-cms/plugin-audit-log on the npm registry
  20. EmDash docs: Evolving a deployed site

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

Where they differ

Adobe Experience Manager and EmDash get a different status on 13 of the 28 features and the same status on 15. Adobe Experience Manager has 25 built in on its baseline edition, EmDash has 14. 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
Adobe Experience Manager is closed source (Proprietary). EmDash is open source (MIT).
Self-hosting
Adobe Experience Manager cannot be self-hosted. EmDash can be self-hosted.
Vendor cloud
Adobe Experience Manager has a vendor-run cloud. EmDash has no vendor-run cloud.
Free option
Adobe Experience Manager has no free option. EmDash has a free option.

Built in on Adobe Experience Manager, a different answer on EmDash 11

  • Content model in code Adobe Experience Manager: Built in. EmDash: Limited.
  • GraphQL API Adobe Experience Manager: Built in. EmDash: Not available.
  • Webhooks Adobe Experience Manager: Built in. EmDash: Plugin or add-on.
  • Approval workflows Adobe Experience Manager: Built in. EmDash: Not available.
  • Content releases Adobe Experience Manager: Built in. EmDash: Not available.
  • Custom roles Adobe Experience Manager: Built in. EmDash: Not available.
  • Single sign-on Adobe Experience Manager: Built in. EmDash: Limited.
  • Audit log Adobe Experience Manager: Built in. EmDash: Plugin or add-on.
  • Multiple sites Adobe Experience Manager: Built in. EmDash: Not available.
  • Form builder Adobe Experience Manager: Built in. EmDash: Plugin or add-on.
  • AI writing assistant Adobe Experience Manager: Built in. EmDash: Not available.

Built in on neither, with different answers 2

  • Real-time co-editing Adobe Experience Manager: Limited. EmDash: Not available.
  • Field-level permissions Adobe Experience Manager: Limited. EmDash: Not available.

More comparisons

Full write-ups with worked examples and costs: Adobe Experience Manager vs Payload.

Adobe Experience Manager against other platforms

EmDash against other platforms

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

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