Blockbutler - Real-time transaction notifications for the blockchain
code-prettify - Code Prettify is an embeddable script that makes source-code snippets in HTML prettier.
Notif.me SDK - A Node.js lib to send all your transactional notifications
Minify - Minify is an online CSS and JavaScript minifier.
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
highlight.js - Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.