Projects supporting LiveScript

Editor Support

• livescript-vscode - LiveScript for VSCode and grammar used by GitHub Linguist for syntax highlighting on GitHub
• vim-ls - LiveScript support for Vim
• komodo-edit-livescript-language - LiveScript for Komodo Edit
• livescript-mode - Emacs - basic LiveScript support (author: tensai-cirno)
• livescript-mode - Emacs - LiveScript support (author: YHisamatsu)
• livescript-mode - Emacs - LiveScript major mode (author: bdowning. Fork of cofee-mode)
• kate-livescript - Kate
• BBEdit
• Coda
• LiveScriptIdea - outdated and broken, even in its better days it didn't support autocompletion or refactoring, sadly not usable for real projects. Plugin should run in IntelliJ IDEA, RubyMine, WebStorm, PhpStorm, PyCharm, AppCode, Android Studio.
• live_script.lang - Gedit and gtksourceview compatible editors
• brackets-livescript - Syntax highlighting LiveScript in Adobe Edge Code/Brackets
• Web Essentials 2013 - A Visual Studio 2013 extension which provides LiveScript's syntax highlighting, compiled source preview pane, registers .ls/.lsc/.livescript extension with OS and applies official icon to those files.
• language-livescript - LiveScript language support in Atom
• build-lsc - build provider for lsc in Atom
• Visual Studio Code - LiveScript language support for Visual Studio Code
• SourceLair - Built-in LiveScript language support for SourceLair
• LiveScript Console - Adds a LiveScript console to the Chrome Web Developer tools (Github)

Other

• livescript-middleware - Connect middleware for LiveScript
• livescript-browserify - Adds LiveScript support to browserify 1
• component-livescript - Adds LiveScript support to component(1)
• liveify - LiveScript transformer for browserify 2.0
• LiveScript-brunch - Adds LiveScript support to brunch
• Mimosa-LiveScript - Adds LiveScript support to Mimosa
• readymade
• ss-LiveScript - LiveScript (JS) wrapper for SocketStream 0.3
• Slake Build Utilities - Build utilities for Slakefiles
• jspackage - build tool to provide import syntax for client-side code
• require-ls - Adds LiveScript support to RequireJS
• livescript-rails - LiveScript asset pipeline for Rails > 3.1
• ruby-livescript - Ruby LiveScript is a bridge to the official LiveScript compiler
• jeykll-livescript - Jekyll plugin for converting LiveScript to JavaScript
• livescript-source - LiveScript compiler for Ruby
• chem - 2D canvas-based game engine and toolchain optimized for rapid development. Supports LiveScript out of the box.
• gulp-livescript - LiveScript plugin for gulp
• gulp - You can write gulpfile.ls in LiveScript and use gulp --require LiveScript
• make-livescript - LiveScript includes for GNU Make
• livescript-livereload - LiveScript compiler plugin for LiveReload
• plunker - You can add script.ls to a plunk, it'll be available as script.js
• skewer-livescript-mode - LiveScript eval support for EMACS Skewer
• Mancy - Electron based NodeJS REPL with support for LiveScript.
• Webpack livescript loader - Loader for Webpack
• highlight.js - JavaScript library to highlight snippets of code by generating proper HTML markup. It supports many languages, including LiveScript.
• Pygments - Python library to highlight snippets of code by generating proper HTML markup. It supports many languages, including LiveScript (even though the main list of languages doesn't include LiveScript, these PR and issue show support was added, so as the detailed documentation of Pygments does).
• LiveScript Console - Adds a LiveScript console to the Chrome Web Developer tools (Github)

Add your own to the list!