Free Content Management Software
Puck CMS
Puck is an open source, multi-platform .NET core cms. Fast, scalable, code-first, unobtrusive and extensible with powerful querying and Lucene integration
Landing CMS
A simple CMS for Landing Pages.Awesome, fast and simple engine for you Landing Page!
FrontAid CMS
FrontAid CMS is a decoupled and Git-based content management system. Content is stored in your own Git repository in the JSON text format. It works with all your current tools and you always own your data.
CushyCMS
CushyCMS is a FREE hosted content management system that's actually easy to use, fast to setup and doesn't require programming skills.
Revize CMS
Revize is a web-based content management software designed for municipalities.
FeinCMS
FeinCMS is a bare bones content management system written in Python on-top of the web framework Django. The CMS is built to know nothing about your content, and includes an admin interfaces that can handle content types. It lets you reorder page content blocks using a drag-drop interface, and you can add as many content blocks to a region (sidebar, header, etc) as you want. FeinCMS was built this way to allow for maximum flexibility, where developers, designers and content managers can create a unique site, tailored for their type of content and future patterns.
October CMS
October is a free, open-source and self-hosted content management system written in PHP on top of the framework Laravel. The CMS features a universal extendable dashboard, inspector, reusable CMS components and a plugin system that can be used to extend functinality of your website. The plugin store contains thousands of community-made plugins that can either be purchased or installed for free. As a data store, October CMS supports MySQL, PostgreSQL and SQLite.