Themekit Code is an extendable framework similar to Bootstrap but with some key differences, it's built to create websites and templates instead that user interfaces, it's productivity oriented and it's fast and easy to use.
https://themekit.dev/docs/code/
Copyright (c) 2019 Schiocco (https://schiocco.com/) Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.