File-based + database-free site generators are an increasingly popular approach to building websites and blogs. On this list, most are static site generators, which maintain flat, ready-to-serve html. Others use a similar file-based cms concept, but output dynamic php.
Ruby
Python
PHP
language-agnostic
Node.js
PHP
Ruby
PHP
Node.js
github.com/flatiron/blacksmith
Node.js
Ruby
Ruby
Ruby
Python
Python
PHP
Ruby
Ruby
PHP