Ruby Fools Copenhagen 2008 Conference - Annual regional event, 1st time is 1-2 April 2008 (April Fools' Day), Copenhagen, Denmark. Pragmatic Programmer Dave Thomas keynote.
RubyFringe - Avant-garde event for developers excited about emerging technologies outside Ruby on Rails culture. 18-20 July 2008, Toronto, Canada.
Mountain West Ruby Confernce - Annual regional event. Chad Fowler keynote. The 2nd event is 28-29 March 2008, main Library, Salt Lake City, Utah, USA. (March 28, 2008)
RubyConf 2007 - Annual international community event. Meet Matz. The 7th event is 2-4 November 2007, Charlotte, North Carolina, USA. See writeup and photos of prior events. (November 2, 2007)
Silicon Valley Ruby Conference - Annual RoR conference and workshops. The 1st US conference is 22-23 April 2006, Network Meeting Center, Santa Clara, California, USA. SDForum. (April 22, 2006)
O'Reilly Open Source Convention 2003: Ruby Sessions - By track, 10 July. OSCON conference was 7-11 July 2002, Portland, Oregon. (July 10, 2003)
First European Ruby Conference - On 21-22 June 2003, University of Karlsruhe, Germany. Fee: 20 Euros to pay for Matz's flight. Language: English, or German where everyone knows it. All are welcome. (June 21, 2003)