- mail_safe 153 Keep your ActionMailer emails from escaping into the wild during development.
- vcr 38 This is no longer the canonical repo -- it has moved to https://github.com/vcr/vcr
- integrity-heroku 12 Deploy Integrity on Heroku's platform
- fractal_composer 11 The algorithm used by fractalcomposer.com
- test_benchmarker 10 A tool for benchmarking ruby Test::Unit tests