The simply the best collection of CMS scripts
ProcessWire is a free PHP content management system and framework (open source CMS/CMF). It provides a powerful template system, an open source jQuery-inspired API and built-in user management. Lots of modules readily available.
Luya is a scalable web framework and content management system. It provides an integrated deployment process that lets you publish your projects to different stages and servers. Needs composer and uses the Yii 2 PHP Framework.
Powerful and lightweight PHP dating script built with CodeIgniter 2.X and Bootstrap and jQuery.
A simple but powerful headless CMS that is built around an API-first and JSON content approach. Use SQLite or MongoDB for data storage.
October is a free open-source self-hosted CMS platform based on the Laravel PHP Framework.
Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications.
An award winning content management system (CMS) that enables you to build Web sites and powerful online applications.
CMS Web software you can use to create a Web site or blog which has grown into a platform with thousands of plugins, widgets and themes.
A PHP CMS that uses MySQL, SQLite or PostgreSQL with a simple drag-n-drop page hierarchy. Easily extended with plugins and themes.
Subrion is a PHP/MySQL based CMS and framework that allows you to build websites for any purpose. From blog to corporate mega portal. Many free templates and premium scripts available.