ruby

Ruby MIME and S/MIME Library

Ruby MHT Library

Ruby IMAP Library

Ruby HTTP Library

Ruby FTP Library

Ruby Encryption Library

Ruby Email Library for POP3 / SMTP

RRC is Ruby Robocode.Anyone can writes robots with ruby.

The Cluster RUby SHell (crush), is a scripting language written in ruby.

I recently saw a clever Ruby idiom to return the first regex match.