
Contentful
Strapi
WordPress
Kontent
Payload CMS
Sanity.io
A free, open-source headless CMS in PHP and SQLite. Model content as a PlantUML diagram, get a REST API and editor, run it on shared hosting.

WordPress
Ghost
Strapi
Drupal
Contentful
Payload CMS
Grav
Free and Open-Source Headless CMS
Which is more popular?
Based on our record, Directus seems to be more popular. It has been mentioned 126 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | lessheadcms.com | directus.com |
| Pricing | ||
| Company | Startup from Germany · 2026 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


LessHeadCMS is a free, open-source headless CMS written in PHP. You describe your content model as a PlantUML diagram, and LessHeadCMS generates the database, a paginated REST API and a clean editorial interface from it. It runs on ordinary shared hosting with PHP and SQLite – no Node.js, no...
No description of Directus yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of LessHeadCMS yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
I drew a diagram and it became a headless CMS
Using Directus
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing LessHeadCMS and Directus.
LessHeadCMS's answer
LessHeadCMS turns a PlantUML class diagram into a complete headless CMS: database tables, a paginated REST API and an editorial interface are all generated from one text file. Instead of clicking content types together in settings screens, you model them – and the same diagram can be discussed with clients, versioned in Git and changed later through a reviewed schema diff with automatic backup.
It runs on ordinary shared hosting with PHP and SQLite, and even editorial approval workflows are defined as short text blocks.
LessHeadCMS's answer
Choose it if you want a real headless CMS without the infrastructure that usually comes with one: no Node.js, no Docker, no cloud subscription and no limits on users, roles, languages or records.
Features that other systems reserve for paid plans – field-level permissions, approval workflows, schema migrations with backups – are included and free under the AGPL v3. It is not trying to replace large enterprise platforms; it is built for projects where a clear content model, low hosting requirements and full control over your own data matter more than a huge plugin ecosystem.
LessHeadCMS's answer
As of now: Freelancers, small agencies and developers who build websites and apps for clients and want to give them a lean, tailor-made backend – often on the PHP hosting the client already has. A second audience is the editors on the client side: they get forms that match their content exactly, so they can work without training.
It also suits anyone who wants to develop a content structure together with a client in a workshop, because the diagram doubles as the specification.
LessHeadCMS's answer
I have been building websites since the mid-1990s and ran my own agency for ten years. With established headless CMSs, I kept finding that setting up the data structure was the most tedious part – endless configuration screens for something that is, at its core, just a diagram. So I asked: why not start with the diagram itself? LessHeadCMS began as an experiment to generate a usable CMS directly from a UML model and grew into a full system with permissions, workflows, migrations and translations – deliberately kept small enough to run on the kind of hosting most small businesses already pay for.
LessHeadCMS's answer
The backend is written in PHP 8 with the FlightPHP micro-framework and stores all data in SQLite via PDO. Content models are written in PlantUML and parsed into the database schema. The editorial interface is built with Preact and Vite and ships as prebuilt static files, with Toast UI Editor for rich text stored as Markdown. Quality is secured with Playwright browser tests, runtime migration tests and a schema fuzzer that checks thousands of randomly generated models.
Share your experience with using LessHeadCMS and Directus. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of LessHeadCMS yet. Be the first one to post
Directus is an open data platform where you can turn SQL databases into an API. Furthermore, you can customize your content with this platform entirely since it is an extensible headless CMS platform.
Directus is a great headless CMS if you have a current SQL database. It is written with vue.js, REST is used for the public API and it is powered by Node.js. Directus is open-source so you can use it free without any...
Directus is an open-source headless CMS for managing custom SQL databases. Directus also has an intuitive admin app for non-technical users to manage content.
Recommendations tracked on public social media and blogs since March 2021.


Tracking LessHeadCMS since Oct 2026.
Im using directus (https://directus.io/) for my personal website with a vacation blog and some posts… So far it works pretty well and my gf is also able to use it on her own, so you could say its non-tech user approved haha. - Source: Hacker News / about 1 year ago
If you're working with Directus, the open-source headless CMS and data platform, then Directus.js is your new best friend. - Source: dev.to / over 1 year ago
It seems to really be an ad for Directus (https://directus.io/) (?). - Source: Hacker News / over 1 year ago
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