Apache is a free and open-source cross-platform web server software.
Cufon is a tool used to overlap real text with an image.
GetResponse is an email marketing app that allows you to create a mailing list and capture data onto it.
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.
Mailchimp is a marketing automation platform and email marketing service.
ShareThis provides free engagement and growth tools (e.g., share buttons, follow buttons, and reaction buttons) for site owners.