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A Python framework for building reactive web-apps. Developed by Plotly.

Project description

# Dash

#### Dash is a Python framework for building analytical web applications. No JavaScript required.

> 📢 Announcement!
> Registration is open for a 2 day, Dash master class in Washington DC, June 9-10.
> [Register online here](https://plotcon.plot.ly/dash-master-class/)

Build on top of Plotly.js, React, and Flask, Dash ties modern UI elements like dropdowns, sliders, and graphs directly to your analytical python code.

[![CircleCI](https://circleci.com/gh/plotly/dash.svg?style=svg)](https://circleci.com/gh/plotly/dash)

Here’s a 43-line example of a Dash App that ties a Dropdown to a D3.js Plotly Graph.
As the user selects a value in the Dropdown, the application code dynamically
exports data from Google Finance into a Pandas DataFrame. This app was written in just 43 lines of code ([view the source](https://gist.github.com/chriddyp/3d2454905d8f01886d651f207e2419f0)).

![Sample Dash App](https://user-images.githubusercontent.com/1280389/30086128-9bb4a28e-9267-11e7-8fe4-bbac7d53f2b0.gif)

Dash app code is declarative and reactive, which makes it easy to build complex apps that contain many interactive elements. Here’s an example with 5 inputs, 3 outputs, and cross filtering. This app was composed in just 160 lines of code, all of which were Python.

![crossfiltering dash app](https://user-images.githubusercontent.com/1280389/30086123-97c58bde-9267-11e7-98a0-7f626de5199a.gif)

Dash uses [Plotly.js](https://github.com/plotly/plotly.js) for charting. Over 35 chart types are supported, including maps.

![Dash app with Mapbox map showing walmart store openings](https://user-images.githubusercontent.com/1280389/30086299-768509d0-9268-11e7-8e6b-626ac9ca512c.gif)

Dash isn't just for dashboards. You have full control over the look and feel of your applications. Here's a Dash app that's styled to look like a PDF report.

![goldman sachs report](https://user-images.githubusercontent.com/1280389/30086373-d076a372-9268-11e7-99df-d84fa69f3e20.gif)

To learn more about Dash, read the [extensive announcement letter](https://medium.com/@plotlygraphs/introducing-dash-5ecf7191b503) or [jump in with the user guide](https://plot.ly/dash).

### Documentation

View the [Dash User Guide](https://plot.ly/dash). It's chock-full of examples, pro tips, and guiding principles.

### Licensing

Dash is licensed under MIT.

Plotly offers an enterprise-ready deployment and permissioning server teams that are working with Dash apps behind-the-firewall. [Learn more about Dash On-Premises](https://plot.ly/products/on-premise).

### Contact and Support

See [https://plot.ly/dash/support](https://plot.ly/dash/support) for ways to get in touch.

***

![image](https://user-images.githubusercontent.com/1280389/30084008-9fbc68fc-925e-11e7-891c-18a9b8f6ac6b.png)

Release history Release notifications

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0.22.0rc2

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0.22.0rc1

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0.21.1

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0.21.0

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0.20.0

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0.19.0

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0.18.3

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0.18.3rc1

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0.18.2

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0.18.1

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0.18.0

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0.17.8rc3

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0.17.8rc2

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0.17.8rc1

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0.17.7

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0.17.5

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0.17.4

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0.0.0

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