If you're checking out jEdit, don't miss it's Ruby Editor Plugin which supports method completion for Ruby core types, has an integrated RDoc viewer and an auto-indent and insert 'end' feature: http://www.jedit.org/ruby/ > * Cross platform. Yes, jEdit runs on the JVM, hence works in GNU Linux, Mac OSX, Windoze > * Multiple Document Interface Able to put in screen splits both horizontally and vertically, as many times as needed. > * Debugging = not needed. Just a good editor No debugging in the plugin yet, but editing is good. > * snappy. Performs well on recent cpu machines. The plugin is actively developed and supported by yours truely; if you have any feedback send me a mail. cheers, Rob