Best Self-hosted Alternatives to Adobe Experience Manager

Halo is an open-source website builder and content management system for creating blogs, knowledge bases, and business websites. It focuses on an efficient editing experience, structured configuration, and a plugin/theme ecosystem for long-term maintainability and growth.

Key Features

• Rich text and Markdown editing with embeddable content elements
• Theme templates and plugin-based architecture with one-click enable/disable
• RESTful API for integrations and secondary development
• Site logs and basic status monitoring capabilities
• Built-in backup and restore for site data
• Data migration tooling from other platforms
• Multiple storage strategies, including local storage and S3-compatible object storage
• Authentication options designed for flexible access control
• Optional AI capabilities via plugins (assisted writing and knowledge-base Q&A)

Use Cases

• Personal or team blogs with a fast publishing workflow
• Knowledge base sites with search and interactive Q&A extensions
• Company websites that need modular content and easy customization

Halo is a solid choice for users who want a modern, extensible CMS with a strong ecosystem of themes and plugins, plus integration-friendly APIs. Its modular design supports everything from simple blogs to more complex content-driven sites.

Wagtail is an open-source content management system built on Django, designed to provide an excellent authoring experience while giving developers full control over site structure and front-end implementation. It supports traditional, template-driven websites as well as headless architectures via an API.

Key Features

• Editor-friendly admin interface for creating, scheduling, and publishing content
• StreamField for flexible, structured page building with reusable content blocks
• Full front-end freedom using Django’s templating and view patterns
• Built-in image handling and rich media embedding capabilities
• Headless content delivery via a content API for decoupled front ends
• Integrated search with support for PostgreSQL or Elasticsearch backends
• Multi-site and internationalization features suitable for large organizations

Use Cases

• Building custom marketing sites and editorial websites with bespoke design
• Running multi-site deployments for institutions, departments, or brands
• Delivering content to decoupled front ends (web or mobile) using a headless API

Wagtail fits teams that want a polished editorial workflow without sacrificing developer flexibility, and it scales from small deployments to large, high-traffic installations. Its Django foundation makes it well-suited for organizations standardizing on Python for web development.

Grav is a modern, open-source flat-file CMS written in PHP that delivers fast, flexible websites without a database. It uses Markdown for content, Twig for templating, YAML for configuration and provides a package manager and rich plugin ecosystem for extensibility.

Key Features

• Flat-file architecture: pages are simple Markdown files organized in folders for easy versioning and deployment.
• Twig templating and theme inheritance for flexible, performant presentation layers.
• YAML-based configuration with environment overrides and blueprint-driven admin forms.
• Built-in package manager (GPM) to install and update plugins, themes and Grav itself.
• Optional Admin plugin offering a responsive GUI, page blueprints, forms and one-click installs/updates.
• Smart caching and image processing to optimize performance for production sites.

Use Cases

• Marketing or brochure websites that benefit from fast static-like performance and simple content workflows.
• Documentation and knowledge portals using skeletons and modular pages to structure content.
• Blogs, portfolios and small-to-medium sites that prefer file-based versioning and easy backups without a database.

Limitations and Considerations

• Requires a PHP environment (minimum supported version historically noted as PHP 7.3.6+); verify current PHP compatibility for recent releases before deployment.
• Ecosystem quality varies: many plugins and themes are community-contributed; some premium themes/plugins are commercial or maintained by third parties.

Grav provides a compact, extensible alternative to database-backed CMSes, focusing on developer-friendly tools and fast runtime behavior. It is suitable for projects where simple content workflows, file-based versioning and flexible theming are priorities.

KeystoneJS is a developer-focused, open-source headless CMS and app framework for Node.js. It lets you declare data models (lists) in TypeScript or JavaScript and immediately provides a GraphQL API plus a configurable React-based Admin UI for managing content and data.

Key Features

• Schema-first data modelling with Lists and rich field types (text, relationship, document, password, timestamp, etc.).
• Auto-generated GraphQL API and CRUD resolvers that follow your schema and access rules.
• Full TypeScript typing and developer DX for compile-time safety and editor autocompletion.
• Admin UI built with React and Next.js, supporting custom React components and field views.
• Prisma-powered database layer with automated migrations and direct Prisma client access.
• Built-in access control, session management, hooks, and custom queries/mutations.
• Pluggable storage adapters and file handling to integrate with object stores or local storage.
• Designed to fit git-based workflows and common CI/CD/deployment targets.

Use Cases

• Headless CMS for websites, marketing sites, and multi-channel content delivery.
• Backend and content platform for web or mobile applications requiring custom schemas and role-based access.
• Internal admin panels, editorial tools, or lightweight e-commerce backends built on top of a generated API.

Limitations and Considerations

• Keystone 6 relies on Prisma as its ORM abstraction; currently supported database providers are relational (PostgreSQL, MySQL, SQLite). Official MongoDB support is not provided due to Prisma/migrations considerations.
• Behaviour of text filtering and some field types can differ between supported SQL providers; developers must consider provider-specific column types and collation implications.
• Large-scale or highly-custom multi-database scenarios may require additional engineering around migrations, transactions, and Prisma client extensions.

KeystoneJS is focused on giving developers a fast, type-safe starting point for APIs and content management while allowing deep customization of UI, access control, and persistence. Its core strengths are schema-driven APIs, TypeScript-first tooling, and a React-based Admin experience.

Umbraco CMS is a free and open-source content management system built on .NET for creating and managing content-driven websites and digital experiences. It provides an editor-friendly backoffice and a flexible, developer-centric architecture for building customized solutions.

Key Features

• Content modeling with custom document types, templates, and structured content
• Editor-focused backoffice for creating, organizing, and publishing content
• Extensible architecture for adding custom dashboards, sections, and content apps
• Integration-friendly approach for connecting to external services and APIs
• Deployment options suitable for small sites through enterprise-scale implementations

Use Cases

• Building and managing marketing websites with custom editorial workflows
• Implementing scalable content platforms for organizations with multiple sites
• Developing tailored CMS solutions that require custom integrations and UI extensions

Umbraco CMS is well-suited for teams that want a mature .NET-based CMS with a strong editing experience and the flexibility to build highly customized implementations. Its extensibility and scalability make it a common choice for long-lived websites and evolving digital platforms.

Joomla! is a free, open-source content management system (CMS) for building websites and web applications. It provides an admin interface for creating and organizing content, managing users, and extending functionality via a large ecosystem of extensions and templates.

Key Features

• Content management with structured menus, categories, and modules
• Extension and template system for adding features and customizing design
• Built-in multilingual capabilities
• User, role, and permission management with multiple access levels
• SEO-friendly features and mobile-ready theming support
• Supports common database backends for deployments

Use Cases

• Public websites for organizations, communities, and small businesses
• Multilingual marketing sites with role-based editorial workflows
• Content-driven portals extended with third-party components

Limitations and Considerations

• The core repository is not an installable package by itself; typical deployments use the packaged release builds

Joomla! suits teams that need a mature CMS with strong extensibility and fine-grained access control. Its long-standing community and extension ecosystem make it a flexible choice for many website types.

ApostropheCMS is an open-source, full-stack content management system and framework built on Node.js and MongoDB. It combines a visual, in-context editing experience for content teams with a developer-focused architecture that can also run as a headless CMS.

Key Features

• In-context (on-page) editing so content changes are made directly on live pages
• Headless-ready architecture with APIs to power decoupled frontends and omnichannel delivery
• Modular, extensible system designed for customization via a full-stack JavaScript workflow
• Role-based permissions and access controls suitable for team and enterprise setups
• Flexible deployment options for running on your own infrastructure

Use Cases

• Build and manage marketing sites and content-heavy web properties with visual editing
• Run Apostrophe as a headless CMS for frontends built in React, Vue, Svelte, Astro, or other frameworks
• Create multi-team editorial workflows for organizations that need structured content management

ApostropheCMS is a strong fit when you want a modern JavaScript-based CMS that supports both editor-friendly visual editing and developer-driven headless implementations, without giving up a full-featured admin experience.

Pimcore is an open core data and experience management platform that unifies product/master data, digital assets, and web content with a flexible framework. It is commonly used to build tailored PIM/MDM, DAM, CMS/DXP, CDP, and commerce solutions on top of a single data model.

Key Features

• Structured data modeling for PIM/MDM-style product and master data management
• Digital Asset Management for organizing files and enriching them with metadata and versions
• CMS/DXP capabilities for managing websites and content using template-based rendering
• Extensible architecture built on Symfony, with reusable bundles and integrations
• APIs for managing and delivering structured data and content to multiple channels
• User and permission management suitable for editorial and data governance workflows

Use Cases

• Centralize product data, categories, and enrichment workflows for omnichannel syndication
• Manage and transform digital assets (images, documents, media) for web and commerce outputs
• Build content-driven websites that combine structured data with editorial pages

Limitations and Considerations

• Community support for a minor version ends when the next minor version is released; longer-term support is tied to paid editions

Pimcore fits teams that want a single platform to consolidate content, assets, and structured business data while retaining high flexibility for custom implementations. It is especially suited for organizations that need strong data modeling and multi-channel delivery in one stack.

Microweber is a drag-and-drop website builder and content management system (CMS) for creating websites, blogs, and online stores. Built on the Laravel framework, it provides a visual editing experience alongside a full admin panel for managing content and products.

Key Features

• Live drag-and-drop page building with real-time text editing
• Admin panel for managing pages, posts, products, and categories
• Built-in e-commerce capabilities for running an online shop
• Template and layout system for quickly composing pages
• Extensible module approach for adding site functionality
• Supports multiple database backends via PDO (including MySQL and SQLite)

Use Cases

• Launch a small business website with visual editing and custom layouts
• Run a lightweight online store with product and category management
• Create and maintain a blog or content-driven site without coding

Limitations and Considerations

• Requires a PHP environment and compatible database setup; features depend on server extensions being available
• Advanced customization typically involves working with themes/modules and the Laravel-based codebase

Microweber fits users who want a traditional CMS combined with a modern visual editor and integrated e-commerce. It is suitable for both non-technical site owners and developers who want a Laravel-based platform they can extend.

Squidex is an open-source headless CMS and content management hub designed for structured content and an API-first workflow. It provides a web UI for editors while developers consume content via robust APIs to power websites, apps, and backend services.

Key Features

• Schema-based content modeling for structured, reusable content
• REST API with OpenAPI/Swagger definitions and advanced querying (OData-style filtering)
• GraphQL endpoint, including support for real-time subscriptions
• Workflow and role-based permissions to control draft, review, and publishing processes
• Content versioning with history, comparisons, rollback, and audit-oriented change tracking
• Event-driven integrations and automation hooks to connect external systems
• Asset management and import/export tools, including CLI-based administration
• Built-in backup and restore capabilities for migrations and recovery

Use Cases

• Centralized content backend for websites, mobile apps, and multi-channel publishing
• Product catalogs, marketing pages, and structured content for multiple frontends
• Content hub integrated with internal systems via events and APIs

Limitations and Considerations

• Requires external database infrastructure and careful sizing for high-scale deployments
• API-first approach means frontend rendering must be implemented separately

Squidex is well-suited for teams that want a flexible, developer-friendly headless CMS with strong APIs, workflows, and operational tooling. It can be deployed via containers or platform-native setups and scaled for production workloads.

Winter CMS is a free, open-source content management system built on the Laravel PHP framework. It is designed for developers and agencies who want a clean, extensible CMS with a strong focus on simplicity, stability, and long-term maintainability.

Key Features

• Laravel-based architecture with a dedicated foundation layer to reduce breaking changes
• User-friendly backend for managing pages, content, and site structure
• Plugin and theme architecture to extend functionality and customize presentation
• Suitable for rapid prototyping as well as larger, more complex web applications
• Focus on backward-compatible iteration, performance, and security-minded development

Use Cases

• Marketing and brochure websites with a manageable admin interface
• Agency-built client sites that require extensibility via plugins and themes
• Custom web applications that benefit from CMS-driven content and Laravel foundations

Winter CMS combines an approachable content editing experience with a developer-centric stack. It is a strong fit when you want Laravel compatibility, a stable CMS core, and an ecosystem designed around plugins and themes.

MODX Revolution is an open source content management system (CMS) and application framework built for creating custom websites and digital experiences without forcing a fixed theme or markup structure. It emphasizes flexibility, performance through caching, and security-focused architecture.

Key Features

• Template-driven rendering that gives developers full control over HTML, CSS, and JavaScript
• Extensible core with packages and modular components for custom requirements
• Built-in caching to improve performance for dynamic sites
• Granular user permissions and access controls for tailored editorial workflows
• Multi-site and multilingual capabilities suitable for multi-domain deployments

Use Cases

• Corporate and marketing websites requiring custom design and structured content editing
• Agency-built client sites that need a tailored admin experience and fine-grained permissions
• Content-driven applications and integrations (for example, headless-style delivery via custom endpoints)

Limitations and Considerations

• Best suited for teams comfortable with configuring templates and content models; it is less “theme-first” than some CMS platforms
• The ecosystem and extensions differ from more mainstream CMS options, so feature parity may require custom development

MODX Revolution is a strong fit when you need a customizable PHP CMS with clean separation of presentation and content, robust access control, and an extensible framework for building beyond standard page publishing.

TYPO3 is an open-source, PHP-based enterprise content management system (CMS) designed for large, multilingual and multisite web projects. It combines a structured content model, fine-grained access controls and an extension-driven architecture to support both classic and headless delivery modes.

Key Features

• Enterprise-grade multisite and multilingual support with fine-grained user and permission management.
• Structured content management, editor workflows, versioning and visual diffs for content auditing and rollback.
• Extension ecosystem and package management via Composer and the TYPO3 Extension Repository (TER) for functional extensibility.
• Modern developer stack that uses PHP, Composer and selected Symfony components (DependencyInjection, EventDispatcher, Mailer, etc.), with Doctrine DBAL for database abstraction and PHPUnit-based testing.
• Support for major relational databases and web servers, image-processing tooling, CLI utilities and a Long-Term Support (LTS) release cadence for enterprise maintenance.

Use Cases

• Powering large corporate, educational or government multisite portals with centralized governance and local editorial teams.
• Acting as a headless content provider for SPAs, mobile apps or decoupled frontends while keeping editorial workflows and versioning in the CMS.
• Implementing regulated publishing workflows, audit trails and staged deployments for organisations that require strict content governance.

Limitations and Considerations

• TYPO3 has a steeper learning curve and a larger operational footprint compared with lightweight CMSs; it requires familiarity with PHP, Composer and server configuration, and benefits from experienced integrators for complex projects.

TYPO3 is a mature, extensible CMS aimed at organisations that need scalable multisite and multilingual capabilities along with enterprise-grade workflows and long-term maintenance. It suits projects where stability, structured content and editorial governance are priorities.

Backdrop CMS is a full-featured content management system (CMS) that helps non-technical users create, publish, and manage website content. It is a fork of Drupal that emphasizes a simpler architecture, fast learning curve, and solid out-of-the-box functionality.

Key Features

• Admin UI for creating and organizing content without programming
• Extensible functionality via add-ons (modules/themes) installable from the site
• Built-in upgrade path from Drupal 7 for easier migrations
• Performance-oriented design suitable for shared hosting environments
• Developer-friendly APIs and a codebase designed to be learned quickly

Use Cases

• Company or organization websites and intranets
• Blogs and content-driven marketing sites
• Community sites such as simple social networks or image galleries

Limitations and Considerations

• Primarily targets MySQL/MariaDB deployments; other databases are not a typical focus
• Ecosystem is smaller than Drupal’s, so specific niche modules may require custom development

Backdrop CMS is a practical option for teams that want a traditional PHP CMS with a straightforward development model and strong usability for content editors. It is especially relevant for Drupal 7 users seeking a familiar, lower-complexity path forward while retaining extensibility.

Textpattern CMS is a lightweight, fast content management system written in PHP, designed for building websites and blogs with clean, controllable markup. It uses a tag-based templating language and keeps the core lean while remaining extensible through plugins.

Key Features

• Browser-based administration interface with a deliberately uncluttered, accessible UI
• Tag-based template language for layouts, pages, and reusable components
• Plugin ecosystem to extend core functionality
• Multi-language admin interface with extensive localization
• Supports authoring content with Textile; Markdown support is available via plugins
• Designed to keep generated HTML clean and under your control

Use Cases

• Personal or editorial blogs with structured content and custom templates
• Lightweight CMS for small-to-medium business or brochure websites
• Custom-designed sites where precise control over markup and presentation matters

Limitations and Considerations

• Some functionality (for example Markdown authoring) may require installing plugins

Textpattern CMS is a mature, long-running project focused on simplicity, performance, and clean site building. It suits teams and individuals who want a traditional CMS with strong template control and an extensible plugin ecosystem.

Concrete CMS is an open-source content management system designed for teams to create, edit, and publish websites. It emphasizes in-context editing, collaboration, and flexible site management.

Key Features

• In-context editing with a WYSIWYG content editor on the page
• Granular permissions and robust collaboration, including change logs and version control
• Workflow-based content approvals and built-in versioning
• Multisite management and multilingual support
• Built-in SEO tools and responsive design, with support for digital asset management

Use Cases

• Intranet/Portals and multi-site collaborative sites built from a single installation
• Public-facing marketing sites with multilingual content and strong SEO
• Teams needing asset management and content workflows for campaigns

Conclusion Concrete CMS provides an open-source, developer-friendly platform that enables editors and developers to build, manage, and scale websites with integrated collaboration and governance.

Superdesk is an open-source, web-based digital newsroom system for creating, editing, curating, packaging, and distributing news content. It combines headless CMS capabilities with editorial workflow and planning features, designed to scale from small publishers to large news agencies.

Key Features

• End-to-end editorial workflow for news creation, production, curation, and distribution
• API-centric, modular architecture for integrating third-party and legacy newsroom systems
• Headless content management with structured content, templates, and metadata
• Content search and retrieval powered by a dedicated search engine
• Role-based access control with configurable permissions for teams and freelancers
• Multi-channel distribution workflows to reuse content across platforms

Use Cases

• Operating a digital newsroom for agencies, publishers, and corporate newsrooms
• Centralizing editorial production with consistent templates, metadata, and packaging
• Integrating newsroom content with external publishing pipelines and downstream systems

Limitations and Considerations

• Requires multiple supporting services (notably a search engine, database, and cache) and separate server/client components, which increases deployment complexity

Superdesk is a strong fit for organizations that need a professional newsroom workflow layered on top of a headless CMS. Its API-first approach and modular design make it well-suited to complex publishing environments and integration-heavy setups.

Omeka S is a modular PHP-based web publication system designed for museums, galleries, libraries, archives, and other cultural heritage institutions. It lets organizations create independently curated exhibits that draw from a shared pool of items, media, and metadata across a local network of sites.

Key Features

• Modular architecture with cores, modules, and themes to extend functionality and presentation
• Centralized item and media repository usable by multiple exhibits/sites with shared metadata management
• RDF/linked-data support and metadata modeling for controlled vocabularies and semantic interoperability
• Built-in exhibit and resource management features tailored for collections and archives
• Support for common PHP libraries and tooling (Doctrine ORM, Laminas components) and front-end build tooling via npm
• Thumbnail/image generation and media handling (ImageMagick recommended)

Use Cases

• Publish curated online exhibits that aggregate items from a shared institutional collection
• Manage and present digital collections with descriptive metadata and controlled vocabularies
• Provide a lightweight institutional repository for galleries, university archives, and special collections

Limitations and Considerations

• Requires a PHP/Apache/MySQL or MariaDB stack and server configuration (PHP 8.1+ recommended)
• Performance and scalability for very large collections may require tuning and more robust infrastructure
• Feature availability often depends on community modules; some integrations may need custom development
• Thumbnailing and advanced media processing rely on external tools and correct server setup

Omeka S is focused on cultural heritage publishing and metadata-driven collection management rather than general-purpose CMS features. It is well suited for institutions needing exhibit-centric workflows and semantic metadata support.

Contao is an open-source content management system written in PHP that provides a full-featured CMS and web-application framework built on top of the Symfony full-stack framework. It targets professional websites and portals with a focus on accessibility, SEO, performance and predictable long-term support.

Key Features

• Symfony-based architecture with modular bundles and events/hooks for extensibility
• Contao Manager: a graphical Composer frontend for installing, updating and recovering installations
• Built-in SEO capabilities: editable meta tags, schema.org support and automatic XML sitemap generation
• Accessibility focus with compliance guidance for common European accessibility standards
• Performance features including deferred image resizing, support for HTTP/2, ESI and compatibility with HTTP caches (e.g., Varnish)
• Security features: modern password hashing, optional 2FA/passkeys, automatic account lockout and a public security advisory process
• Multi-site and multilingual support plus granular user permissions out of the box
• Managed Edition and Composer/Symfony bundle installation options to support varied deployment workflows

Use Cases

• Building accessible, SEO-optimized corporate websites, microsites and marketing portals
• Multi-language or multi-site deployments where centralized management and fine-grained permissions are required
• Integrating CMS features into existing Symfony applications via Contao’s bundle architecture

Limitations and Considerations

• Official database support is limited to MySQL/MariaDB (Contao uses Doctrine DBAL); other database engines are not officially supported
• Server requirements expect modern PHP versions and extensions; upgrading PHP or dependencies typically requires a Composer update and may require attention to installed third-party extensions

Contao is aimed at teams and agencies that need a stable, extensible CMS with a strong emphasis on accessibility, security and predictable LTS cycles. Its Symfony foundation and Composer-based workflow make it suitable both as a standalone CMS and as an embeddable bundle for Symfony applications.

CouchCMS is a PHP-based content management system designed for web designers and front-end developers. It lets you turn any static HTML/CSS template into a CMS-managed site by adding simple Couch tags, without requiring PHP coding skills.

Key Features

• Editable regions added directly in HTML/CSS templates using lightweight Couch tags
• Cloned pages to generate listings (blogs, portfolios, galleries) from templates
• CMS-managed forms with validation and ability to save submissions to the database
• Comments system with moderation controls
• SEO-friendly, nested virtual folders for readable URLs
• Listings, search inclusion control, and customizable RSS feeds
• Events calendar, custom 404/site-offline pages, and simple PayPal integration
• URL cloaking for protected downloads and basic site utilities for designers

Use Cases

• Convert static HTML/CSS templates into editable client-managed websites quickly
• Build small business sites, portfolios, or simple blogs where clients edit content via a minimal admin panel
• Create templated sections like event listings, galleries, or product pages using cloned pages

Limitations and Considerations

• Primarily a monolithic PHP CMS tailored to designers; not a headless CMS or API-first platform
• Open-source license (CPAL) requires attribution in source files unless a commercial white-label license is purchased
• Lacks a large plugin ecosystem and advanced modern features found in larger CMSs; hosting requires a PHP/MySQL-capable environment

CouchCMS is best suited for designers and small teams who want to keep full control over markup while adding CMS features without diving into backend code. It is a lightweight, pragmatic solution for templated sites where simplicity and fidelity to the original design are priorities.