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CMS Airship - Secure Content Management for the Modern Web

Build Status Latest Stable Version Latest Unstable Version License

The sky is only the beginning.

CMS Airship is a secure-by-default content management system, blog engine, and application development framework written for PHP 7.2 and above.

CMS Airship is Free Software (GPL 3) developed and maintained by Paragon Initiative Enterprises.

Commercial license are available for purchase if your company requires an alternative to the GNU Public License.

Benefits of CMS Airship

  1. Digitally signed automatic security updates.
  2. Community first. The community is always in control of any add-ons it produces. No one can backdoor your extensions without your signing keys.
  3. Supports a multi-site architecture out of the box.
  4. Designed by progressive-minded application security professionals.
  5. Fully customizable and extensible. Our Gears system allows extensions to easily restructure and/or replace entire Airship features without causing conflicts with our secure automatic updating process.

See how the out-of-the-box security of CMS Airship compares to WordPress, Drupal, or Joomla.


The CMS Airship Documentation is in the docs directory.

Available on the AWS Marketplace

Minimum Requirements

  • PHP 7.2 or newer
  • Libsodium 1.0.15 or newer

Getting Started

Customizing Your Airship

CMS Airship extensions come in three flavors (detailed explanations):

  • Cabins: self-contained applications
  • Gadgets: alters the functionality of an existing Cabin (or of the Engine itself)
  • Motifs: alters the apperance of an existing Cabin

To create and/or manage these extensions, check out barge, our command line utility.



Airship is fully mobile responsive thanks to the Pure CSS framework. See it in action at CSPR.NG.

Contributing to CMS Airship