List of scopes for Sublime Text and Atom. Follow three simple rules when contributing: 1. Link whenever possible, use atom.io and Package Control links (if possible) 2. Always link third-party packages, use current Markdown link structure 3. Alphabetize!

scopes.md

File type	Sublime Text	Atom
ActionScript	source.actionscript.2	?
AppleScript	source.applescript	.source.applescript
ASP	source.asp	?
Batch File	source.dosbatch	?
BibTex	source.bibtex	?
BridleNSIS	source.nsis.bridle	.source.nsis.bridle
C	source.c	.source.c
C#	source.cs	.source.cs
C++	source.c++	.source.cpp
Clojure	source.clojure	.source.clojure
CoffeeScript	source.coffee	.source.coffee
CSS	source.css	.source.css
D	source.d	?
Diff	source.diff	.source.diff
Erlang	source.erlang	?
Git Commit	?	.text.git-commit
Git Configuration	?	.source.git-config
Git Rebase	?	.text.git-rebase
Go	source.go	.source.go
Go Templates	?	.source.gotemplate
GraphViz	source.dot	?
Groovy	source.groovy	?
Haskell	source.haskell	?
HTML	text.html(.basic)	.text.html.basic
HTML (Go)	?	.text.html.gohtml
HTML (Ruby)	?	.text.html.erb
HTML (TCL)	text.html.tcl	?
Inno Setup	source.inno	.source.inno
Java	source.java	.source.java
Java Doc	text.html.javadoc	?
Java Properties	source.java-props	.source.java-properties
JavaScript	source.js	.source.js
JavaScript (JQuery)	?	.source.js.jquery
JavaScript (Ruby)	?	.source.js.rails
JSON	source.json	.source.json
JSP	text.html.jsp	?
JUnit Test Report	?	.text.junit-test-report
Latex	text.tex.latex	?
Latex Log	text.log.latex	?
Latex Memoir	text.tex.latex.memoir	?
LESS	source.css.less	.source.css.less
Lisp	source.lisp	?
Lua	source.lua	?
MakeFile	source.makefile	.source.makefile
Markdown	text.html.markdown	.text.markdown
Markdown (GFM)	text.html.markdown	.source.gfm
Matlab	source.matlab	?
Multi Markdown	text.html.markdown.multimarkdown	?
NLF (NSIS)	source.nlf	.source.nlf
NSIS	source.nsis	.source.nsis
nsL Assember	source.nsl	.source.nsl
Objective-C	source.objc	.source.objc
Objective-C++	source.objc++	.source.objcpp
OCaml	source.ocaml	?
OCaml campl4	source.camlp4.ocaml	?
OCamllex	source.ocamllex	?
Perl	source.perl	.source.perl
Perl 6	source.perl	.source.perl6
PHP	source.php	.text.html.php
Plist (Binary)	source.plist	.source.plist
Plist (XML)	text.plist	.text.xml.plist
Python	source.python	.source.python
Python (Console)	?	.text.python.console
Python (Traceback)	?	.text.python.traceback
R	source.r	?
R Console	source.r-console	?
Regular Expression	source.regexp	?
Regular Expression (JavaScript)	?	.source.js.regexp
Regular Expression (Python)	source.regexp.python	.source.regexp.python
RestructuredText	text.restructuredtext	.text.restructuredtext
Ruby	source.ruby	.source.ruby
Ruby HAML	text.haml	?
Ruby on Rails	source.ruby.rails	.source.ruby.rails
SASS	source.sass	.source.sass
Scala	source.scala	?
SCSS	source.scss	.source.css.scss
ScummC	source.c.scumm	.source.c.scumm
Shell Script	source.shell	.source.shell
Shell Session	?	.text.shell-session
SQL	source.sql	.source.sql
SQL (Mustache)	?	.text.html.mustache
SQL (Ruby)	source.sql.ruby	.source.sql.ruby
Stylus	source.stylus	?
TCL	source.tcl	?
TeX	text.tex	?
Text (plain)	text.plain	.text.plain
Textile	text.html.textile	?
Todo	source.todo	.text.todo
XML	text.xml	.text.xml
XSL	text.xml.xsl	.text.xml.xsl
YAML	source.yaml	.source.yaml

what is GFM in Markdown (GFM)?