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.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Omeka is a free Content Management System (CMS) used by archives, historical societies, libraries, museums, and individual researchers for publishing digital collections.
Open Graph is a protocol that is used to integrate any web page into the social graph.