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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.
Which is more popular?
Based on our record, DEV.to seems to be more popular. It has been mentioned 701 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dev.to | lessheadcms.com |
| Pricing | — | |
| Company | Startup from the United States | Startup from Germany · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DEV.to yet.
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...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of LessHeadCMS yet.
Walkthroughs and reviews on video.
Ben Halpern founder of Dev.To & The Practical Dev
I drew a diagram and it became a headless CMS
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DEV.to and LessHeadCMS.
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 DEV.to and LessHeadCMS. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The 'dev.to' forum is a great place for developers to find answers, share their knowledge, and learn from others. It's a place for people to talk about their projects, ask questions, and get feedback.
One of Dev.to’s unique features is its focus on the human side of coding. Developers often share their personal stories, career journeys, and lessons learned, creating a sense of camaraderie within the community. The...
As a mini-blog, it is a nice alternative for Medium to publish and share information about programming. However, the community and the organization are biased toward social justice (and they are open to it). You can...
We have no reviews of LessHeadCMS yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Since this project was built entirely on a smartphone using mobile cloud environments, you can view the live source structure here: Https://dev.to. - Source: dev.to / about 4 hours ago
A weekly email digest of dev.to articles, built from your own account:. - Source: dev.to / 1 day ago
Hacktoberfest 2026 is run by MLH and DEV, presented by DigitalOcean. The theme is "AI belongs to everyone": build with open-weight models and open-source AI. Pull requests no longer count. Rewards come from virtual stickers (see... - Source: dev.to / 3 days ago
Tracking LessHeadCMS since Oct 2026.
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