ProcessWire is a free PHP open source CMS with a great API built to save you time and make development fun at any scale. Developed by Ryan Cramer Design, LLC
License: Open Source
ProcessWire is a powerful and flexible content management system that is particularly favored by developers for its customization options and security features. In contrast, WordPress is more user-friendly and has a vast community, making it suitable for a wide range of users, but it can suffer from performance issues and security vulnerabilities if not properly managed.