This video was pretty good -- "Living with legacy software": David from 37signals talks about how they refactored the Basecamp code as it grew: http://railscon

This video was pretty good -- "Living with legacy software": David from 37signals talks about how they refactored the Basecamp code as it grew: http://railsconfeurope.blip.tv/file/1555560/ http://railsconfeurope.blip.tv/file/1555560/ Breaking pieces out into modules (and even further into plugins) can help keep it manageable.