Top Alternatives to Pimcore

WordPress is an open source content management solution based on PHP maintained by Automattic which is also being offered as hosted solution.

Drupal is an open source platform for building websites.

Joomla is a free and open-source content management system (CMS) for publishing web content.

ProcessWire is a free PHP open source CMS with a great API built to save you time and make development fun at any scale.

concrete5 is an open-source content management system (CMS) for publishing content on the World Wide Web and intranets.

django CMS is a free and open source content management system platform for publishing content.

SilverStripe is a free and open-source Content Management System (CMS) and framework for setting up and maintaining websites and web applications.

Zend Framework (ZF) is an open source, object-oriented web application framework implemented in PHP 5 and licensed under the New BSD License.

Agile UI is a stand-alone framework that implements all the necessary components to build fully-featured and interractive user interface for your PHP application.

ExpressionEngine is a flexible, feature-rich content management platform.

CakePHP is an open-source web framework. It follows the model–view–controller (MVC) approach and is written in PHP, modeled after the concepts of Ruby on Rails, and distributed under the MIT License.

Sitefinity is a modern ASP.NET Web CMS, delivering intuitive web content management for business professionals, robust CMS development environment.

Umbraco is an open source content management system (CMS) platform.