Atom

Display railroad diagram of regex under cursor.

79,131

A clean and configurable UI theme.

161,374

A preview of the full source code.

7,432,347

Display possible completions in the editor while typing

791,634

Assign file extension icons and colours for improved visual grepping

9,649,891

Beautify HTML, CSS, JavaScript, PHP, Python, Ruby, Java, C, C++, C#, Objective-C, CoffeeScript, TypeScript, Coldfusion, SQL, and more in Atom

9,020,480

jzhu98