Apache is a free and open-source cross-platform web server software.
Fathom is easy-yet-powerful website analytics that protects digital privacy.
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.
ProcessWire is an open source content management system (CMS) and framework (CMF).
Responsive navigation plugin without library dependencies and with fast touch screen support.
Typekit is an online service which offers a subscription library of fonts.