Wren CMS is unclaimed —
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Wren CMS
A whole website in one small file.·wrencms.com
Wren is a free, open-source content management system packaged as a single PHP file. It uses a self-creating SQLite database, supports markdown writing, image uploads, moderated comments, built-in SEO tools, RSS feeds, and single-file HTML themes, with no external dependencies or build step required. It is designed to be uploaded to any PHP host and run immediately from a browser.
What it's for
Running a blogRunning a page-first site with a static homepagePublishing articles and pages with menu linksPublishing an RSS feed and sitemap for a small site
Features 20
- Built-in SEO: search descriptions, canonical URLs, Open Graph tags
- CSRF protection on every form
- Hashed passwords
- Honeypot and rate-limiting spam defences
- Image uploads with click-to-copy markdown
- IndexNow automatic publishing pings
- Live sitemap.xml
- Login throttling
- Markdown writing with raw HTML support
- Media folder that refuses to execute code
- Moderated comments with per-post on/off switch
- One-minute install on any PHP 8.1+ host
- Pages, blog and customizable menu links
- Prepared statements for all queries
- RSS feed
- Self-creating SQLite database
- Single PHP file engine (~1,500 lines)
- Single-file HTML themes with nine placeholder tags
- Strictly validated image uploads (extension whitelist, MIME check, image-decode test)
- Zero external dependencies
At a glance
open sourceself-hostable
TypeWeb app
DeploymentSelf-hosted
PlatformsWeb
CompanyForty Nine Systems Ltd
Integrations
BingDuckDuckGoYandex
Pricing
Wren CMS is free for personal and commercial use, forever, under the MIT licence; there is no paid tier.
Wren CMSFree
Free for personal and commercial use, forever, under the MIT licence; upgrades are done by replacing the single file.