3131 fyi. Here's the top 10:

  18 webrat
  18 will_paginate
  20 god
  29 rack
  30 sinatra
  31 twitter
  33 integrity
  37 merb
  48 dm
  71 ruby


    gem list -r -s http://gems.github.com | cut -d- -f 2 | cut -d " " -f 1 | sort | uniq -c | sort -n | tail -10