Emmet plugin: Quickly generate HTML document structure, quickly write cross-browser CSS and automatically help you edit at the same time, powerful!
Grammar Skills are simple and practical, worth mastering!
SideBar Enhancements plugin: Improved sidebar, many features added. Pretty good!
CTRL + the left mouse button can be selected in multiple places, you can double-click one, and then ctrl+d automatically select the same name. or the right mouse button +shift is also OK.
Livestyle: Can be synchronized with the Chrome/safari debugging CSS files, real-time refresh, bidirectional modification, need to install extensions: Emmet Livestyle, usage ---> I can only say that it's too tough!
HTML5 plugin: HTML5 tag expansion
JSFORMAT:CTRL+ALT+F automatically format the JS code. Similar to the Cssformat.
More Plugin resources: http://www.jianshu.com/p/5905f927d01b
ST3 Plugins and Tips