Nokogiri (鋸) is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support.
Mechanize is a ruby library that makes automated web interaction easy.
CSSPool is a CSS SAC parser and by default will output a DOM Level 2 style tree.
A Ruby library to handle HTTP cookies in a way both compliant with RFCs and compatible with today's major browsers
Ruby bindings for the SQLite3 embedded database
The Official Tutorial Archive™ of Nokogiri ®
Github Pages for nokogiri.org
Gem of Syslog::Logger