Apache is a free and open-source cross-platform web server software.
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.
D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
Joomla is a free and open-source content management system for publishing web content.
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.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Leaflet is the open-source JavaScript library for mobile-friendly interactive maps.
MapLibre GL JS is an open-source library for publishing maps on your websites.
PHP is a general-purpose scripting language used for web development.
StackPath is a cloud computing and services provider.
Unpkg is a content delivery network for everything on npm.