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rapid prototyping with d3.js
JavaScript HTML CSS CoffeeScript Python Handlebars Other

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Tributary allows you to share live-editable code snippets. These snippets will
most likely use d3.js and allow a user to play with code in a very responsive

Tributary is innovation on principle, taking the excellent work of Gabriel
Florit which was in turn inspired by Bret Victor's genius and making it sharable.

Tributary is a labor of love by Ian '@enjalot' Johnson and EJ '@mrejfox' Fox.

Start typing into the code editor and watch your code come to life!
If you want to save your work you can click the fork button and it will save into a gist.
The url in your browser will update to something like:

where the number: 2165875 is the gist id 
(you can see it here: ) 

Tributary is an experimental environment and an experimental project. We are playing with
different "views" on code which have different assumptions. Once you get into it you may
find you want to make your own view. 

It's not too hard, just adding one endpoint to the backend, making a new template html and a new view javascript file.

If you want to have github authentication working you will need to setup a github app and fill out the (see

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