Ruby/GD is an extension library to use Thomas Boutell's gd library
(http://www.boutell.com/gd/) from Ruby.
Author: Matsumoto Yukihiro <matz@ruby-lang.org> (original author)
Ryuichi Tamura <tam@kais.kyoto-u.ac.jp> (current maintainer)
WWW: http://www.acc.ne.jp/~tam/GD/index.en.html