• ruby-bigdecimal
• ruby-cgi
• ruby-cmath
• ruby-csv
• ruby-date
• ruby-dbm
• ruby-debuglib
• ruby-did-you-mean
• ruby-digest
• ruby-drb
• ruby-enc
• ruby-enc-extra
• ruby-erb
• ruby-etc
• ruby-fcntl
• ruby-fiddle

...

• ruby-filelib
• ruby-fileutils
• ruby-gdbm
• ruby-gems
• ruby-io-console
• ruby-ipaddr
• ruby-irb
• ruby-json
• ruby-logger
• ruby-math
• ruby-minitest
• ruby-misc
• ruby-mkmf
• ruby-multithread
• ruby-net
• ruby-net-telnet

...

• ruby-nkf
• ruby-openssl
• ruby-optparse
• ruby-patterns
• ruby-powerassert
• ruby-prettyprint
• ruby-pstore
• ruby-psych
• ruby-racc
• ruby-rake
• ruby-rbconfig
• ruby-rdoc
• ruby-readline
• ruby-rexml
• ruby-rinda
• ruby-ripper

...

• ruby-rss
• ruby-scanf
• ruby-sdbm
• ruby-shell
• ruby-socket
• ruby-stdlib
• ruby-stringio
• ruby-strscan
• ruby-testunit
• ruby-time
• ruby-unicodenormalize
• ruby-uri
• ruby-webrick
• ruby-xmlrpc
• ruby-yaml
• ruby-zlib