WooCommerce is one of the most popular eCommerce platforms. It is a great choice if you already use Wordpress and would like to extend your site with an e-store functionality.
AWS Lambda is one of many Amazon services. Its an example of so called “serverless architecture”. The defining characteristic of this approach is that it abstracts the runtime environment from the code.
Google analytics is a platform that shows you information about traffic on your website or app.
Gmail is one of free web mail services, provided by Google. And to be precise, this is basic gmail functionality. On the other hand, registering in gmail, by default creates for you an account in google+, which allows you to do much more. But to focus on programmatic case, let’s talk about web mail service only