How to search for useful ruby gems

What are good开发者_StackOverflow中文版 sites to look for useful ruby gems?

• Agile Web Development lists plugins (though not rubygems, I'm not sure why), and allows people to give ratings for them.
• Ruby Toolbox lists gems by category and compares how popular they are.
• Rubygems has a search box.
• Stack Overflow has a question on most useful rails plugins and rubygems.

• Github is where most gems source code is hosted; they have a search facility, and you can search by language as well.

I have compiled a list of usefull gems for development machine. You can check the list here with detailed explaination

  gem "better_errors"
  gem "binding_of_caller"
  gem 'annotate'
  gem 'bullet'
  gem 'debugger'
  gem 'flay'
  gem 'hirb'
  gem 'localtunnel'
  gem 'lol_dba'
  gem 'mailcatcher'
  gem 'meta_request','0.2.1'
  gem 'pry'
  gem 'pry-doc'
  gem 'quiet_assets'
  gem 'rack-mini-profiler'
  gem 'railroady'
  gem 'rails-footnotes', '>= 3.7.5.rc4'
  gem 'rails_best_practices'
  gem 'reek'
  gem 'request-log-analyzer'
  gem 'smusher'
  gem 'zeus' # don't add this in your gemfile.