BackBee CMS is described as 'Open source Content Management System' and is an app in the Development category. There are more than 100 alternatives to BackBee CMS for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Linux, Windows and Mac. The best alternative is WordPress, which is both free and Open Source. Other great apps like BackBee CMS are Tumblr (Free), Ghost (Paid, Open Source), Drupal (Free, Open Source) and Grav (Free, Open Source).
FlatPress is an open-source standard-compliant multi-lingual extensible blogging engine which does not require a DataBase Management System to work. You don’t need MySQL because FlatPress stores all of its content on text files.
ORCHID is a tool that allows you to quickly write simple but powerful websites and applications. Provided as a package for Laravel, you can easily integrate it as a third-party component using Composer.
Blades is made to do one job and do it well - generate HTML files from the provided content using the provided templates. Blades renders the whole site in milliseconds, possibly up to 10 times faster than other generators like Hugo.
verless (pronounced like serverless) is a Static Site Generator designed for Markdown-based content with focus on simplicity and performance. It reads your Markdown files, applies your HTML templates and renders them as a website.
Umbraco is a fully-featured open source content management system with the flexibility to run anything from small campaign or brochure sites right through to complex applications for Fortune 500's and some of the largest media sites in the world.
Extending the art & spirit of PHP, Zend Framework is based on simplicity, object-oriented best practices, corporate friendly licensing, and a rigorously tested agile codebase. Zend Framework is focused on building more secure, reliable, and modern Web 2.
CSZ CMS is an open source web application that allows to manage all content and settings on the websites. CSZ CMS was built on the basis of Codeigniter and design the structure of Bootstrap, this should make your website fully responsive with ease.