RedKite CMS is a Content Management System built on top of Symfony2 and Twitter-Bootstrap frameworks. It lets you manage the content of your website inline, using an interface designed to increase the quality of the user experience. You are not required to have technical skills related to Web programming to build a website using this CMS.
MockMockWeb is a Heroku-ready Node.js-based Web application server which allows you to mock up a website in seconds. It allows you to instantly launch a website which sends an empty page (with status 200) to any request/URL and edit any page on the spot. You can also edit the layout shared throughout your website. It lets you build a mock (sometimes real) website in a request-driven interaction.