The MailChimp Campaign CSV Parser is a PHP library to take a downloaded MailChimp Campaign CSV export and parse it in a easy-to-use array. Includes industry rates to compare statistics with.
Here’s a quick API script I put together to help monitor my stocks. It’s a PHP Stock Market API that uses the Yahoo! Finance API and allows you to retrieve up to 20 current data points for a particular symbol. It’s simple to use and doesn’t require any knowledge on how to implement or use the Yahoo! Finance API.