ZenCoding with #WebEssentials is a sweet productivity enhancement! CSS as a template language for expansion is awesome!
General
General features of Web Essentials. A bunch of features are not specific to a specific language or editor.
Browser Link
Web Essentials ships with a range of Browser Link features that are all available from a menu that is injected onto your website when Browser Link is running.
Stylesheets
Stylesheets are difficult to work with for many developers. With Web Essentials it has never been easier.
JavaScript
Improve productivity and code quality for any JavaScript developer.
HTML
Lots of useful shortcuts and productivity features that makes it fun to work with HTML.
TypeScript
Provides additional features to the TypeScript editing experience. Writing TypeScript has never been easier using Web Essentials.
LESS
Builds upon Visual Studio’s amazing LESS editor and provides compilation and other useful tools.
CoffeeScript
Prefer Iced CoffeeScript? No problem. Web Essentials handles both flavors equally well.
Markdown
Full immersive Markdown editing experience with previews, file generation and more.
Custom editors
Who would have thought to add Intellisense and syntax highlighting for robots.txt files? Yep, we did.
What people are saying...
If you're a web developer using VS2012 and haven't installed Web Essentials, you're doing it wrong. Fav new feature: Zen Coding support!
Absolutely essential plug in! Web Essentials is a huge productivity enhancer helping me write CSS, HTML and JS faster and with less mistakes.
Web Essentials is just that - essential. It's the Web Team's most important feature playground. It's a peek into the future of Visual Studio.