Cryptocause is a website that allows you to use your web browser to mine Bitcoin for charitable causes. The application is JavaScript-based (GL shader components are forked from hamiyoca and JSON-RPC PHP library by Sergio Vaccaro) and the pool used is getblocktemplate-based by Eligius.
A Node backend serves up live stats piped by WebSockets and automates the transfer of funds to known BTC addresses of charities using Coinbase API's. A PHP backend handles the hashing work of clients, using RPC to send the work over HTTP (which should really be Stratum in the future).
To run Cryptocause, spin up both the PHP (php -S localhost) and the Node (node app.js) and navigate to index.php.