Apache is a free and open-source cross-platform web server software.
Chosen is a jQuery plugin that makes long, unwieldy select boxes much more user-friendly.
Debian is a Linux software which is a free open-source software.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
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.
Matomo Analytics is a free and open-source web analytics application, that runs on a PHP/MySQL web-server.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PHP is a general-purpose scripting language used for web development.
Simple wrapper for cross-browser usage of the JavaScript Fullscreen API.
Configurable JavaScript/CSS spinner that can be used as a resolution-independent loading indicator