Using the Ruby Development Tools plug-in for Eclipse This article introduces using the Ruby Development Tools (RDT) plug-in for Eclipse, which allows Eclipse to become a first-rate Ruby development environment. Ruby developers who want to learn how to use the rich infrastructure of the Eclipse community to support their language will benefit, as will Java developers who are interested in using Ruby. in Rubywith javaarticleintroducesrubydevelopmenttoolsrdtplug-inby 3 users