Octopress is a framework designed by Brandon Mathis for Jekyll, the blog aware static site generator powering Github Pages. To start blogging with Jekyll, you have to write your own HTML templates, CSS, Javascripts and set up your configuration. But with Octopress All of that is already taken care of. Simply clone or fork Octopress, install dependencies and the theme, and you’re set.

Bonsai is a static web site generator, it uses the best tools available for site construction and adheres to best web practices.

RShot is a Ruby library that takes screenshots of web pages