WordPress is a free and open-source content management system (CMS) based on PHP and MySQL for creating websites and blogs. Features include a plugin architecture, a template system and strong management, customization and search systems; through its dynamic presentation of content, webmasters have the flexibility to create websites easily.
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For the "work page", if the projects get added fairly regularly and you want the new ones to display first, you can make it a category and add the projects as posts. That will also let you tag the projects if you needed to group them in other ways beside the main 'work page'