gray-matter
Parse front-matter from a string or file. Fast, reliable and easy to use. Parses YAML front matter by default, but also has support for YAML, JSON, TOML or Coffee Front-Matter, with options to set custom delimiters. Used by metalsmith, assemble, verb and
stello
Map (and reduce) for Trello cards.
html-map-parser
Library for modifying html-strings using a map-like function
grapesjs
Free and Open Source Web Builder Framework
metalsmith
An extremely simple, pluggable static site generator.