Edited sentence: Although Grav follows principles similar to other flat-file CMS platforms, it has a different design philosophy than most.Doctrine Cache: for performance.Grav is a Fast, Simple, and Flexible file-based Web-platform.Gregwar Image Library: for dynamic image manipulation.Just extract the ZIP archive, and you are already up and running.Markdown: for easy content creation.Parsedown: for fast Markdown and Markdown Extra support.Pimple Dependency Injection Container: for extensibility and maintainability.Some of these key technologies include :.Symfony Console: for CLI interface.Symfony Event Dispatcher: for plugin event handling.The underlying architecture of Grav is built using well established and best-in-class technologies.There is Zero installation required.This is to ensure that Grav is simple to use and easy to extend.Twig Templating: for powerful control of the user interface.YAML: for simple configuration