Concrete CMS is an open-source content management system that allows users to build and manage websites. It offers a flexible framework for creating custom designs and functionalities, suitable for a wide range of web projects.

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Updated 04 Jun 2026

Websites Using Concrete CMS

Overview

Concrete CMS, formerly known as concrete5, is a powerful and flexible open-source Content Management System (CMS) designed for building and managing websites. It emphasizes ease of use for content editors while providing robust development tools for designers and developers. Its unique approach to in-context editing allows users to make changes directly on the page they are viewing, streamlining the content update process. Concrete CMS is built on a PHP framework and is known for its extensibility through add-ons and themes.

Key Features

  • In-Context Editing: The standout feature of Concrete CMS is its ability to edit content directly on the page. Users can click on any element on the page and edit it in real-time, making content updates intuitive and efficient.
  • Block-Based Architecture: Websites are built using a system of reusable blocks, which can include text, images, forms, custom code, and more. These blocks can be easily added, removed, and rearranged on any page.
  • Theme System: Concrete CMS supports a robust theming system, allowing for complete control over the website's design and layout. Themes can be created from scratch or customized from existing ones.
  • Add-on Marketplace: A wide range of add-ons are available to extend the functionality of Concrete CMS, including SEO tools, e-commerce solutions, social media integration, and advanced form builders.
  • User and Group Permissions: Granular control over user roles and permissions ensures that only authorized individuals can access and modify specific content or site settings.
  • Developer-Friendly: Built with developers in mind, Concrete CMS offers a well-documented API, a templating engine, and the ability to create custom blocks and themes.
  • Responsive Design: The system inherently supports responsive design principles, ensuring websites look good and function well across all devices.

Typical Use Cases

Concrete CMS is a versatile platform suitable for a variety of web projects:

  • Small to Medium Business Websites: Its ease of use for content management makes it ideal for businesses that need to maintain an up-to-date online presence without dedicated web staff.
  • Corporate Websites: The ability to create complex layouts and integrate with other business systems makes it suitable for larger corporate sites.
  • Portfolios and Creative Agencies: The visual editing capabilities and design flexibility are well-suited for showcasing creative work.
  • Educational Institutions: Its robust permission system and ability to manage large amounts of content make it a good choice for universities and schools.
  • Non-Profit Organizations: The open-source nature and ease of content updates are beneficial for organizations with limited budgets and resources.

Pricing & Hosting Model

Concrete CMS is open-source and free to download and use. There are no licensing fees associated with the core software. However, users will need to arrange for web hosting that meets its system requirements (typically PHP and a MySQL or PostgreSQL database). While the software is free, users may incur costs for:

  • Premium Themes and Add-ons: While many add-ons and themes are free, premium options with advanced features are often available for purchase.
  • Professional Support: For businesses requiring dedicated support, paid support plans are available from the Concrete CMS community and third-party providers.
  • Custom Development: Hiring developers for custom theme or add-on creation will incur development costs.

Hosting can be managed through various providers, from shared hosting to dedicated servers, depending on the website's traffic and resource needs.

Alternatives

Concrete CMS competes in a crowded CMS market. Some popular alternatives include:

  • WordPress: The most popular CMS globally, known for its vast plugin and theme ecosystem and ease of use.
  • Drupal: A powerful and flexible CMS often favored for complex enterprise-level websites requiring high security and scalability.
  • Joomla: Another robust open-source CMS offering a balance of features and flexibility, suitable for various website types.
  • Craft CMS: A modern, developer-centric CMS known for its clean code, flexible content modeling, and focus on design control.
  • Statamic: A flat-file CMS that offers a Git-based workflow and a powerful templating engine, appealing to developers who prefer not to manage a database.