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
  • HTML5, CSS3, WCAG

Tutorial Library

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Latest News

Bogus vulnerability reported ("'banners' Persistent Cross Site Scripting")

8th December 2020, 3:31 am

Anatomy of a bogus vulnerability that is circulating.

Updated minimum PHP requirement

28th November 2020, 12:02 am

Composr now requires PHP 5.3+ (but really you should be on PHP 7.3+).

Composr 10.0.34 released

23rd November 2020, 10:29 pm

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

Bugs in Composr 10.0.33

24th October 2020, 1:16 am

There are a number of nasty bugs in 10.0.33, hot fixes are linked inside this issue.

PHP 8 support

22nd October 2020, 4:03 am

Important message regarding Composr compatibility with PHP 8.

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