Composr CMS
The versatile Content Management System for next
generation websites

Need a website? Tired of primitive systems that don't meet your requirements?

Composr is Open Source so our community download runs without limits. Our services will give you that critical 'pro edge'.

What is Composr CMS?

Composr is a very flexible CMS with advanced social, interactive and dynamic functionality.

Hundreds of features are available out of the box, as well as building blocks, and further addons (think multi-channel content delivery).

Composr is embraced by Fortune-100 companies, government agencies, and small startups. We make all the best ideas available to everyone.

Create smarter web properties; accelerate time to market 

  • Huge integrated feature-set
  • Enthusiastic community
  • No licensing costs
  • Cloud-compatible
  • HTML5CSS3WCAG

 

Latest v11 News

Security issues

DOS loop attack vulnerability patched

A DOS loop attack vulnerability was detected and patched in sources/http.php HttpDownloader. Please read the full article for more information.

Announcements

Upgrader should now work for alpha1 to alpha2

A bug on composr.app prevented alpha1 to alpha2 upgrades and should now be fixed.

New releases

Composr 11 alpha2 released

11 alpha2 released. Read the full article for more information, and upgrade information.

Older news

27th Mar 2024, 5:17 PM Composr 11 alpha1 released 0 comments

Get an Early Preview of Version 11 by Visiting These Sites

Would you like your v11 site featured? When installing v11, on the licence agreement / terms page, indicate that we may feature your site. Note that setting this option does not guarantee we will feature your site.