Apache is a free and open-source cross-platform web server software.
ClustrMaps widget is a visitor tracker, designed for general web and blog use.
D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
Font Awesome is a font and icon toolkit based on CSS and Less.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Open Journal Systems (OJS) is an open-source software application for managing and publishing scholarly journals.