Concrete CMS Alternatives: 5 Modern Options Compared

Concrete CMS (formerly concrete5) is a PHP CMS known for in-context editing — you edit content directly on the page, which non-technical users like. It sits between WordPress and enterprise CMSes in complexity. Teams look for alternatives when they want a more modern developer experience, a headless-first API instead of in-page editing, a larger ecosystem, or a lighter, faster-to-run option. Here are the alternatives, grouped by what you want to gain.

TL;DR: Want a modern PHP CMS with a real API? UnfoldCMS. Want the biggest ecosystem? WordPress. Want fully headless and open source? Strapi or Directus. Want flat-file simplicity? Statamic. This post compares five with honest tradeoffs.

Why leave Concrete CMS?

Concrete is solid; the reasons to switch are usually about modernization and ecosystem:

• Smaller ecosystem. Fewer themes, add-ons, and developers than WordPress or the modern headless CMSes.
• Dated developer experience. The block/area model and theming feel heavier than modern framework-based CMSes.
• In-page editing vs. headless. Concrete's strength is on-page editing; if you're building a decoupled React/Vue front end, you want an API-first CMS instead.
• Performance and hosting. Like many older PHP CMSes, it benefits from careful tuning.

If in-context editing is exactly what your non-technical users need and it's working, staying is reasonable. If you want a modern or headless setup, read on.

The alternatives

1. UnfoldCMS — modern PHP, API-first, self-hosted

The pick if you want to stay in PHP but modernize with a real API. UnfoldCMS is a self-hosted CMS on Laravel with a React + shadcn/ui admin and a REST API at /api/v1/*.

• Modern admin — clean React interface, 51 shadcn/ui components.
• API-first — REST endpoints for headless use, or built-in themes.
• Modern DX — Laravel underneath, familiar to PHP developers.
• Self-hosted, pay once — light hosting, your data.

Honest limits: no in-context/on-page editing — you edit in the admin, not on the rendered page, which is the feature Concrete users may value most. REST only (no GraphQL). No revision history.

2. WordPress — the biggest ecosystem

If you want the widest choice of themes, plugins, and hosting, WordPress is the mainstream PHP move. It also offers block editing (Gutenberg) that echoes some of Concrete's on-page feel. Tradeoffs: plugin bloat and security surface.

3. Strapi — open-source Node headless

Strapi is the popular Node headless CMS. Fully API-first (REST and GraphQL), self-hostable. A strong option if you're building a decoupled front end and are open to leaving PHP. Tradeoff: Node infrastructure and a separate front end.

4. Directus — headless over SQL

Directus provides a modern admin and REST/GraphQL API over a SQL database. Open source, self-hostable, stack-agnostic. Good for a clean, modern content layer you fully control.

5. Statamic — flat-file, modern PHP

Statamic is a commercial flat-file CMS on Laravel with a polished control panel and a strong front-end templating story. Modern PHP, file-based content, per-site license. A good fit if you want simplicity without a database. See Statamic vs WordPress.

Quick comparison

How to choose

• Stay PHP, want modern + API, pay once → UnfoldCMS.
• Want the biggest ecosystem + block editing → WordPress.
• Go fully headless, open source → Strapi or Directus.
• Modern PHP, flat-file → Statamic.

The deciding factor is often in-context editing: if editing directly on the page is essential to your users, WordPress's block editor is the closest mainstream match, since most modern headless CMSes (including UnfoldCMS) edit in an admin, not on the page. If you're moving toward a headless, API-driven setup, that feature matters less.

FAQ

What's a modern alternative to Concrete CMS? UnfoldCMS offers a modern React admin and a REST API while staying PHP and self-hosted. Strapi and Directus are modern headless options on Node. Statamic is a modern PHP flat-file CMS.

Does UnfoldCMS have in-context editing like Concrete? No. UnfoldCMS edits content in an admin panel, not directly on the rendered page. If on-page editing is essential, WordPress's block editor is closer.

Is there a Concrete alternative that stays in PHP? Yes — UnfoldCMS (Laravel), WordPress, and Statamic (Laravel) are all PHP and self-hostable.

Which is best for a headless front end? UnfoldCMS (REST), Strapi, or Directus (REST + GraphQL) all serve content to a decoupled React, Vue, or static front end.

Bottom line

Concrete CMS is a capable PHP CMS whose standout feature is in-context editing. Teams leave for a larger ecosystem, a modern developer experience, or a headless API. If you want modern PHP with a real API and are fine editing in an admin, UnfoldCMS fits; for the biggest ecosystem with block editing, WordPress; for fully headless, Strapi or Directus; for modern flat-file, Statamic.

See UnfoldCMS in the demo or read best open source CMS.

Related: Joomla alternatives · TYPO3 alternatives · CMS for PHP developers