We use Pivotal Tracker to organize our development for all of our clients. Tracker enables our agile-inspired process, which helps us deliver the most value to our clients. Pivotal Tracker
We turn to Sidekiq when we need to run background jobs in a Rails app, which we do for just about every Rails app we write. We especially like the ops tools that come with Sidekiq, which make it easy to monitor and maintain. Sidekiq