Wowzers, we've got 268 cheat sheets hereabouts.
- acts_as_authenticated
- acts_as_state_machine
- agile
- alias
- ambition
- ansi
- arts
- as3_formulas
- ascii
- assertions
- assert_select
- association_methods
- asunit
- authorizenet
- autotest
- averylongnamethatwecanfind
- awk
- balloon
- bash
- bash_complete
- bash_scripting
- belongs_to
- benchmark
- blogs
- blow
- bp
- bug
- callbacks
- capazon
- capistrano
- cap_bare
- ccrb
- cheat
- chmod
- colored
- conkeror
- console
- cool_options
- cpio
- cron
- curl
- cut
- darcs
- darcs_record
- database_yml
- datamapper
- date
- deprec
- deprec2
- deprecated
- diakonos
- ditz
- dpkg
- e
- elad
- emacs
- emacs_basics
- emacs_psvn
- emacs_slime
- emacs_tips
- enumerable
- environments
- exceptions
- fela
- find
- firebug
- fish
- foo
- form_for
- gazpacho
- gem
- git
- gitsvn
- git_buildpackage
- git_collaboration
- git_submodule
- git_usage
- globals
- gmail
- grails
- greader
- grep
- groovy_sql
- gruff
- gtd
- has_and_belongs_to_many
- has_many
- has_one
- help
- highline
- history
- hobo
- hobo_template
- hpricot
- htaccess4
- http_status_codes
- iana_port_list
- io
- iomodes
- irb
- jedit_ruby_editor_plugin
- kenzu_ryu
- kill
- less
- link_to_remote
- linux_network_boot
- lipsum
- ln
- lotus_domino_url
- ls
- lsof
- mac_glyphs
- markaby
- markdown
- mate
- matz_bot
- merb
- mercurial
- microformats_helper
- migrations
- military_alphabet
- mktime
- mocha
- mustache
- mysql
- netbeans
- netstat
- nginx
- nonsense
- notify
- number_lines
- opensc
- openssl
- oracle
- paste
- pastie_vim
- pddd
- permalink_fu
- permissions
- phonetic
- piston
- police
- predefined_variables
- prototype
- radrails
- radrails_rhtml
- radrails_ruby
- rails
- rails_console
- rails_edge
- rails_environment
- rails_migrations
- rails_plugin_creation
- rails_rake_tasks
- rails_request_object
- rails_reserved_words
- rails_routes
- rails_svn
- rails_tasks
- rails_tips
- rails_to_s
- rails_vim
- ratpoison
- rdebug
- rdoc
- readline
- readme
- redirect
- regex
- regexp
- regex_lib
- rest
- rjs
- rope
- rspec
- rspec_formats
- rsync
- rtorrent
- ruby
- ruby1line
- rubydebug
- rubyio
- rubyprof
- ruby_keywords
- ruby_mode_strings
- runescape
- s3sync
- sake
- scaffold_resource
- scp
- scrapi
- screen
- sed
- sed_delete
- sed_numbering
- sed_print
- sed_spacing
- selenium
- selenium_on_rails
- semweb
- seo
- sequel
- sh
- shoes
- shoulda
- slicehost
- sness
- solaris_smf
- sort
- spc
- sprintf
- sqlite
- ssh
- status_codes
- sti
- strftime
- string
- string_unpack
- strptime
- svn
- svnmerge
- symlink
- syntax
- tar
- tempfile
- terminal
- test
- testtesttest
- test_spec
- test_spec_rails
- test_unit
- textile
- textmate_rails
- textmate_ruby
- tld
- twitterrific
- ubyubyuby
- unix_text
- vi
- vim
- vim_folding
- vim_goodies
- watir_ie
- websphere
- win32_sc
- wmii3
- word
- wxd
- xmonad
- xpath_result_type
- xslt
- yaml
- yui_fonts
- yui_grids
- zsh_array
- zsh_bang
- zsh_case
- zsh_ftp
- zsh_glob
- zsh_if
- zsh_keys
- zsh_loop
- zsh_modifiers
- zsh_param
- zsh_process
- zsh_ranges
- zsh_rename
Are we missing a cheat sheet? Why don't you do the whole world a favor and add it yourself!
