Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Django CMS is a free and open source content management system platform for publishing content on the World Wide Web and intranets.
Django is a Python-based free and open-source web application framework.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Leaflet is the open-source JavaScript library for mobile-friendly interactive maps.
Responsive progress bars with animated SVG paths.
Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.