Layers vs. Ghost vs. Joomla!

Layers is a WordPress Theme framework focused on extending the WordPress core functionality to include layout building through the WordPress Visual Customizer. A lightweight set of base options, widgets and theme templates provide a user-friendly, extensible tool for creating beautiful, WordPress-faithful websites.

Ghost is a platform dedicated to one thing: Publishing. It's beautifully designed, completely customisable and completely Open Source. Ghost allows you to write and publish your own blog, giving you the tools to make it easy and even fun to do.

Joomla is a simple and powerful web server application and it requires a server with PHP and either MySQL, PostgreSQL, or SQL Server to run it.