This is a list of independent software conferences run primarily by developers for developers (and not by media companies or software companies). Independent software conferences tend to be lower cost and have more interesting content than their stodgier counterparts.
This guide focuses on independent US conferences just to narrow the focus a bit.
Inviting Rubyists of all skill levels to a new, two-day conference in the heart of Steel City, USA
3rd–4th August 2012
Spend 3 days, with 1000 of your fellow campers in 150 sessions geeking out on everything Mobile, Web and Cloud at a giant waterpark
United States
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Wisconsin Dells
13th–15th August 2012
An annual gathering for all who are passionate about Ruby on Rails.
6th–7th September 2012
A Ruby Software Conference in the Colorado Rockies
19th–21st September 2012