Package list: page 680
- ruby-cal-heatmap-rails
- ruby-cancancan
- ruby-capistrano-colors
- ruby-capture-output
- ruby-capybara
- ruby-capybara-screenshot
- ruby-carrierwave
- ruby-case-transform
- ruby-cassiopee
- ruby-cat
- ruby-cbor
- ruby-celluloid
- ruby-celluloid-essentials
- ruby-celluloid-extras
- ruby-celluloid-fsm
- ruby-celluloid-io
- ruby-celluloid-pool
- ruby-celluloid-supervision
- ruby-certificate-authority
- ruby-cfpropertylist
- ruby-character-set
- ruby-charlock-holmes
- ruby-chef-config
- ruby-chef-utils
- ruby-cheffish
- ruby-childprocess
- ruby-chromedriver-helper
- ruby-chronic
- ruby-chronic-duration
- ruby-chunky-png
- ruby-circuitbox
- ruby-citrus
- ruby-clamp
- ruby-classifier
- ruby-classifier-reborn
- ruby-clean-test
- ruby-cleanroom
- ruby-client-side-validations
- ruby-climate-control
- ruby-cliver
- ruby-clockwork
- ruby-cmath
- ruby-cmdparse
- ruby-cocaine
- ruby-cocoon
- ruby-codemirror-rails
- ruby-coercible
- ruby-coffee-rails
- ruby-coffee-script
- ruby-coffee-script-source
- ruby-color
- ruby-color-tools
- ruby-colorator
- ruby-colored
- ruby-colored2
- ruby-colorize
- ruby-columnize
- ruby-combustion
- ruby-commander
- ruby-commandline