You most certainly know about Twitter Bootstrap - the popular front end framework for building websites and apps. It favors simple, responsive design, and comes bundled with a sensible default stylesheet, a number of useful jQuery plugins ...
Socrates is a simple static site generator. It’s geared towards blogs. You write your posts in your favorite plain text to HTML language (e.g. Markdown, textile) and save them as text files on your harddrive. Socrates then takes them, and creates a full HTML site for you. For free, you will get a home page which lists latest posts, single post pages, category pages, archive pages, an about page and an atom feed.
File-based + database-free site generators are an increasingly popular approach to building websites and blogs. On this list, most light grey are static site generators, which maintain flat, ready-to-serve html. Others dark grey use a similar file-based cms concept, but output dynamic php.
Thimble makes it ridiculously simple to create your own web pages. Write and edit HTML and CSS right in your browser. Instantly preview your work. Then host and share your finished pages with a single click. Easy, huh?