Bootstrap - Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Open Designs - Open Designs is an open source web design gallery with over 2000 free website templates that help to make the global internet a prettier place.
Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.
WrapBootstrap - WrapBootstrap is a marketplace for premium Bootstrap themes and templates.
Materialize CSS - A modern responsive front-end framework based on Material Design
ThumbZilla - Awesome thumb stomping and kicking action game.