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Hydrogen

Run your code with an interactive REPL session with your language of choice inside GitHub’s Atom text editor.

All the power of Jupyter kernels, inside your favorite text editor.

Install Hydrogen now with

apm install hydrogen
Atom Hero Image

Interactive computing in Atom

Choose which code to execute based on your needs.

Run the whole file, a single line, a selection, or let Hydrogen decide which code to run based on the current cursor position.

Watch Expressions

Get instant feedback on your written code every time you hit execute.

Code Completion and Documentation

Code completion and an inspector for displaying metadata, like documentation, are there to make your coding experience seamless.

There’s no need to leave your favorite text editor to get the information you need to fuel your development process.