Habari is a free and open source blog engine written in PHP and currently supports MySQL, SQLite and PostgreSQL for the database backend.
License: Open Source
Habari is a modern content management system focused on flexibility and SEO features, making it ideal for content-driven websites. In contrast, Textpattern is a more established platform with strong e-commerce capabilities and a user-friendly interface, suitable for those looking for a straightforward blogging or e-commerce solution.