Atom

sublime-style-column-selection

Enable Sublime style 'Column Selection'. Just hold 'alt' while you select, or select using your middle mouse button. Also similar to Texmate's 'Multiple Carets', or BBEdit's 'Block Select'

bigfive

757,791

editorconfig

Helps developers maintain consistent coding styles between different editors

#editorconfig
#format
#code
#style
#code-style

sindresorhus

577,953

tabs-to-spaces

Provides the ability to convert between leading tabs and spaces in a document

#convert
#indentation
#spaces
#tabs

lee-dohm

195,206

trailing-spaces

Highlights trailing white space.

wpillar

58,462

language-marko

Syntax highlighting for the Marko templating language

#marko
#html
#template
#templating
#autocomplete

marko-js

10,027

atom-jshint

Validates your JS against JSHint as you type. The original and most used.

Joezo

48,516

language-coffee-script

CoffeeScript language support in Atom

atom

376,148