List of top-level scopes for use in Sublime Text 2/3 snippets, syntaxes, and plugins:
ActionScript: source.actionscript.2
AppleScript: source.applescript
ASP: source.asp
Assembly (x86/NASM): source.assembly
Bash: source.shell
Batch (Windows): source.dosbatch
BibTex: source.bibtex
C: source.c
C#: source.cs
C++: source.c++
Clojure: source.clojure
COBOL: source.cobol
CoffeeScript: source.coffee
Crystal: source.crystal
CSS: source.css
CSS (PostCSS): source.postcss
CSS (SugarSS): source.css.postcss.sugarss
D: source.d
Diff: source.diff
Dockerfile: source.dockerfile
Dust: text.html.dust
EditorConfig: source.ini.editorconfig
EJS: text.html.js
Elixir: source.elixir
Elm: source.elm
Erlang: source.erlang
Go: source.go
GraphViz: source.dot
Gradle: source.gradle
Groovy: source.groovy
Handlebars: text.html.handlebars
Haskell: source.haskell
HAML: text.haml
HTML: text.html
HTML (Elixir): text.html.elixir
HTML (Erlang): text.html.erlang.yaws
HTML (TCL): text.html.tcl
INI: source.ini
Jade: source.jade
Java: source.java
Java Properties: source.java-props
Javadoc: text.html.javadoc
Javascript: source.js
Javascript (React): source.js.jsx
Javascript (Rails): source.js.rails
JSON: source.json
JSP: text.html.jsp
JSX (Javascript React): source.js.jsx
Kotlin: source.Kotlin
Latex: text.tex.latex
Latex Log: text.log.latex
Latex Memoir: text.tex.latex.memoir
LESS: source.css.less
Lisp: source.lisp
Lua: source.lua
Make (Makefile): source.makefile
Matlab: source.matlab
Markdown: text.html.markdown
MultiMarkdown: text.html.markdown.multimarkdown
Mustache: text.html.mustache
Objective-C: source.objc
Objective-C++: source.objc++
OCaml campl4: source.camlp4.ocaml
OCaml: source.ocaml
OCamllex: source.ocamllex
Pascal: source.pascal
Perl: source.perl
PHP: source.php
PostCSS: source.postcss
Prettier: source.yaml
Procfile: source.procfile
Prolog (ECLiPSe-Prolog): source.prolog.eclipse
Prolog (SWI-Prolog): source.prolog
Puppet: source.puppet
Python: source.python
Python 3: source.python.3
Python Regular Expression: source.regexp.python
R: source.r
R Console: source.r-console
Regular Expression: source.regexp
Regular Expression (Python): source.regexp.python
RestructuredText: text.restructuredtext
Ruby: source.ruby
Ruby on Rails: source.ruby.rails
Rust: source.rust
SASS: source.sass
SCSS: source.scss
Scala: source.scala
Scheme: source.scheme
Shell (sh): source.shell
SQL: source.sql
SQL (Ruby): source.sql.ruby
SugarSS (PostCSS): source.css.postcss.sugarss
Stylus: source.stylus
Swift: source.swift
TCL: source.tcl
TeX: text.tex
Text (plain text): text.plain
Textile: text.html.textile
Todone: text.todone
TSX (TypescriptReact): source.tsx
Twig: text.html.twig
Typescript: source.ts
Visual Basic .NET (VB.NET): source.vbnet
VimL: source.viml
XML: text.xml
XSL: text.xml.xsl
YAML: source.yaml