Wordpress is system with a rich ecosystem of plugins. There is a plugin for anything you can imagine, some of them have a cost but most of them are free. Here is my personal list of plugins I used in the last blogs I've built with Wordpress. All of them are FREE and some of theme have a paid version but are fully functional in the free version.
Until now, I was blogging using Ghost platform over Openshift. I love the way you develop new features over the Ghost platform: Handlebars for the templating, an easy API to get information about the blog and their posts... and you are using the Node.js on the backend so you're feeling a little bit hipster while you're using it.
The past week I backed for two projects. Every time I was minimally interested in a crowdfunding project where about physically products that need the fundings to make the production so I never decided and finally never backed. But this time I found two projects that really interested me and I think that they can help me in my work and development career.
Jasmine http://jasmine.github.io/ Jasmine is a behavior-driven development framework for testing JavaScript code. It does not depend on any other JavaScript frameworks. It does not require a DOM. And it has a clean, obvious syntax so that you can easily write tests.
Jasmine Karma Protractor Mocha
Take pen and paper and just write it on... or better take your favourite editor and create a new file. Basic structure. The following declaration will declare the file you're writting as an HTML5 document.