Here the list of the supported languages and lexers. Feel free to write your own submitting a pull request ! Contributions are welcome.

Note that the canonical, always-up-to-date list of lexers can be found by running rougify list.

  • actionscript: ActionScript [aliases: as,as3]
  • apache: configuration files for Apache web server
  • apiblueprint: Markdown based API description language. [aliases: apiblueprint,apib]
  • applescript: The AppleScript scripting language by Apple Inc. (http://developer.apple.com/applescript/)
  • biml: BIML, Business Intelligence Markup Language
  • c: The C programming language
  • ceylon: Say more, more clearly.
  • cfscript: CFScript, the CFML scripting language [aliases: cfc]
  • clojure: The Clojure programming language (clojure.org) [aliases: clj,cljs]
  • cmake: The cross-platform, open-source build system
  • coffeescript: The Coffeescript programming language (coffeescript.org) [aliases: coffee,coffee-script]
  • common_lisp: The Common Lisp variant of Lisp (common-lisp.net) [aliases: cl,common-lisp,elisp,emacs-lisp]
  • conf: A generic lexer for configuration files [aliases: config,configuration]
  • coq: Coq (coq.inria.fr)
  • cpp: The C++ programming language [aliases: c++]
  • csharp: a multi-paradigm language targeting .NET [aliases: c#,cs]
  • css: Cascading Style Sheets, used to style web pages
  • d: The D programming language(dlang.org) [aliases: dlang]
  • dart: The Dart programming language (dartlang.com)
  • diff: Lexes unified diffs or patches [aliases: patch,udiff]
  • dot: Graphviz graph description language
  • eiffel: Eiffel programming language
  • elixir: Elixir language (elixir-lang.org) [aliases: elixir,exs]
  • erb: Embedded ruby template files [aliases: eruby,rhtml]
  • erlang: The Erlang programming language (erlang.org) [aliases: erl]
  • factor: Factor, the practical stack language (factorcode.org)
  • fortran: Fortran 95 Programming Language
  • gherkin: A business-readable spec DSL ( github.com/cucumber/cucumber/wiki/Gherkin ) [aliases: cucumber,behat]
  • glsl: The GLSL shader language
  • go: The Go programming language (http://golang.org) [aliases: go,golang]
  • gradle: A powerful build system for the JVM
  • groovy: The Groovy programming language (http://www.groovy-lang.org/)
  • haml: The Haml templating system for Ruby (haml.info) [aliases: HAML]
  • handlebars: the Handlebars and Mustache templating languages [aliases: hbs,mustache]
  • haskell: The Haskell programming language (haskell.org) [aliases: hs]
  • html: HTML, the markup language of the web
  • http: http requests and responses
  • ini: the INI configuration format
  • io: The IO programming language (http://iolanguage.com)
  • java: The Java programming language (java.com)
  • javascript: JavaScript, the browser scripting language [aliases: js]
  • jinja: Django/Jinja template engine (jinja.pocoo.org) [aliases: django]
  • json: JavaScript Object Notation (json.org)
  • json-doc: JavaScript Object Notation with extenstions for documentation
  • jsonnet: An elegant, formally-specified config language for JSON
  • julia: The Julia programming language [aliases: jl]
  • kotlin: Kotlin http://kotlinlang.org
  • liquid: Liquid is a templating engine for Ruby (liquidmarkup.org)
  • literate_coffeescript: Literate coffeescript [aliases: litcoffee]
  • literate_haskell: Literate haskell [aliases: lithaskell,lhaskell,lhs]
  • llvm: The LLVM Compiler Infrastructure (http://llvm.org/)
  • lua: Lua (http://www.lua.org)
  • make: Makefile syntax [aliases: makefile,mf,gnumake,bsdmake]
  • markdown: Markdown, a light-weight markup language for authors [aliases: md,mkd]
  • matlab: Matlab [aliases: m]
  • mosel: Optimization language used by Fico's Xpress. (http://www.fico.com/en/products/fico-xpress-optimization-suite/)
  • moonscript: Moonscript (http://www.moonscript.org) [aliases: moon]
  • nasm: Netwide Assembler
  • nginx: configuration files for the nginx web server (nginx.org)
  • nim: The Nim programming language (http://nim-lang.org/) [aliases: nimrod]
  • objective_c: an extension of C commonly used to write Apple software [aliases: objc]
  • ocaml: Objective CAML (ocaml.org)
  • pascal: a procedural programming language commonly used as a teaching language.
  • perl: The Perl scripting language (perl.org) [aliases: pl]
  • php: The PHP scripting language (php.net) [aliases: php,php3,php4,php5]
  • plaintext: A boring lexer that doesn't highlight anything [aliases: text]
  • powershell: powershell [aliases: posh]
  • praat: The Praat scripting language (praat.org)
  • prolog: The Prolog programming language (http://en.wikipedia.org/wiki/Prolog) [aliases: prolog]
  • properties: .properties config files for Java
  • protouf: Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data [aliases: proto]
  • puppet: The Puppet configuration management language (puppetlabs.org) [aliases: pp]
  • python: The Python programming language (python.org) [aliases: py]
  • qml: QML, a UI markup language [aliases: qml]
  • r: The R statistics language (r-project.org) [aliases: r,R,s,S]
  • racket: Racket is a Lisp descended from Scheme (racket-lang.org)
  • ruby: The Ruby programming language (ruby-lang.org) [aliases: rb]
  • rust: The Rust programming language (rust-lang.org) [aliases: rs]
  • sass: The Sass stylesheet language language (sass-lang.com)
  • scala: The Scala programming language (scala-lang.org) [aliases: scala]
  • scheme: The Scheme variant of Lisp
  • scss: SCSS stylesheets (sass-lang.com)
  • sed: sed, the ultimate stream editor
  • shell: Various shell languages, including sh and bash [aliases: bash,zsh,ksh,sh]
  • shell_session: A generic lexer for shell session and command line [aliases: terminal,console]
  • slim: The Slim template language
  • smalltalk: The Smalltalk programming language [aliases: st,squeak]
  • smarty: Smarty Template Engine [aliases: smarty]
  • sml: Standard ML [aliases: ml]
  • sql: Structured Query Language, for relational databases
  • swift: Multi paradigm, compiled programming language developed by Apple for iOS and OS X development.(developer.apple.com/swift)
  • tap: Test Anything Protocol [aliases: tap]
  • tcl: The Tool Command Language (tcl.tk)
  • tex: The TeX typesetting system [aliases: TeX,LaTeX,latex]
  • toml: the TOML configuration format (https://github.com/mojombo/toml)
  • tulip: The tulip programming language http://github.com/jneen/tulip [aliases: tlp]
  • twig: Twig template engine (twig.sensiolabs.org)
  • typescript: TypeScript, a superset of JavaScript [aliases: ts]
  • vb: Visual Basic [aliases: visualbasic]
  • verilog: The System Verilog hardware description language
  • viml: VimL, the scripting language for the Vim editor (vim.org) [aliases: vim,vimscript,ex]
  • xml: XML
  • yaml: Yaml Ain't Markup Language (yaml.org) [aliases: yml]