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.
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.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.
Weebly is a website and ecommerce service.