Apps similar to Plone include WordPress, which is open source with a free version. Other options are Drupal, Joomla, EmDash CMS and Directus. There's no shortage of CMS Tools like Plone, with more than 100 alternatives for the web, self-hosting, Windows, Linux and Mac.
Editor X is an advanced creation platform for designers and web professionals. The platform combines cutting edge responsive design with smooth drag and drop.
A high performance CMS for PHP and MySQL. It is free, extensible and easy to use. Available in 41 languages.
United States
SPIP is a publishing system for the Internet in which great importance is attached to collaborative working, to multilingual environments, and to simplicity of use for web authors. It is free software, distributed under the GNU/GPL licence.
France
EU
Igloo is an intranet you'll actually like. It’s a web-based solution that enables you to share files, give updates, find answers, exchange ideas and work better together with your colleagues and customers.
Canada
XOOPS CMS is an extensible, OO (Object Oriented), easy to use dynamic web content management system (CMS) written in PHP. XOOPS is the ideal tool for developing small to large dynamic community websites, intra company portals, corporate portals, weblogs and much more.
LOCOMOTIVE is an open source CMS for Rails. It's super flexible and integrates with Heroku and Amazon S3.
OverBlog is a blogging platform, active and evolving. Create a blog, without any technical knowledge, and find everything you post ! Create your blog has never been easier.
FranceEU
Lutece is an open source platform developed by the City of Paris to help you develop digital solutions. Honed for cities’ use through almost 20 years of development, Lutece has evolved into multifaceted platform with more than 400 plugins.
FranceEU
The Apache Sling CMS is an intuitive, full-featured Content Management System. It supports rich text editing, a component-driven page builder, content insights, a full java app server stack for developing integrations and is 100% free and open source.
United States
Open source No Code headless CMS, which provides an easy way to manage not just your data but your application's logic as well.
Roadiz is a modern CMS based on a node system which can handle many types of services. Based on Symfony components and Doctrine ORM, it allows you to create your data schema from scratch and to organise your content as you want.
Mezzanine is a powerful, consistent, and flexible content management platform. Built using the Django framework, Mezzanine provides a simple yet highly extensible architecture that encourages diving in and hacking on the code.
Australia
