Atom

Runs your code, adding comments to each line, showing the inspection of what that line evaluates to.

4,892

A preview of the full source code.

7,542,185

Syntax and snippet support for Nginx configuration files

101,229

Run Ruby tests, Rspec examples, and Cucumber features from Atom

63,092

Run code in Atom!

4,427,959

A simple key-binding for aligning multi-line and multiple selections in Atom (Based on the sublime text plugin)

105,458

TheNinJedi