Apps similar to FlatSiteBuilder include WordPress, which is open source with a free version. Other options are Drupal, Jekyll, Joomla and PrestaShop. CMS Tools like FlatSiteBuilder are a crowded field, with more than 100 alternatives for self-hosting, the web, Windows, Linux and Mac.
dotCMS is an Open Source Java Content Management System licensed under the GPL 3.0. Used for managing websites, intranets and mobile applications. dotCMS' REST APIs (Headless CMS) allow you to deliver content to almost any internet connected device.
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Refreshingly simple PHP content management system and web framework. Elefant is easy-to-use and straight-forward for all levels of users. Elefant is also secure, extremely fast, well-documented, and well-tested, making it an ideal platform for web developers to build on for...
StorageRoom is a flexible cloud-based CMS for the data in your Mobile Applications. Let editors work on content and query our API from your applications.
Html Writr is a very light and easy to use system that allows you to manage the content of static html files.
Refinery is the most popular Ruby on Rails CMS and supports Rails 4.2. It's easy to extend and sticks to 'the Rails way' where possible.
Free Website Builder Script is an open source website builder script allowing the administrator to create, run and manage multiple websites through one single multisite CMS.
Sitelovin is free, hosted, easy to use general website editor which is very easy to setup on any web page. It connects to your website over FTP, so no installation on your server is required.
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.
