| Languages Supported | Python, R, and Julia | R only | Python only | Python |
| OSS License | MIT | AGPL | Apache 2.0 | BSD |
| Backend Architecture | Stateless | Stateful | Stateful | Stateful |
| Downloads/month | 350,000 | 370,000 | 100,000 | 900,000 |
| Web protocol | HTTP(S) | Websockets | Websockets | Websockets |
| Recommended deployment | Kubernetes (Dash Enterprise) | Shiny Server Pro (RStudio Connect) | Heroku | Heroku or Anaconda Enterprise |
| User experience | Web app | Model output with controls in a Web page | Notebook with controls | Notebook or Web app |
| App structure | Multi-page | Single page | Notebook with code | Single Page |
| Frontend | React | jQuery | React | Custom-Only |
| Interactivity | Complete: any component can be an input/output, including tables | Partial: some components can be inputs/outputs | Limited: only widgets as inputs, graphs and tables can only be outputs | Complete: any component can be an input/output, including tables |
| Styling control | Dash Design Kit, Basic Bootstrap, or CSS | Basic Bootstrap or CSS | Limited | Custom-Only |
| Crossfiltering | ✔️ | ✔️ | | ✔️ |
| Dynamic Layouts | Pattern-Matching Callbacks | | | |
| Long Running Tasks | ✔️ | | | ✔️ |
| Year founded | 2017 | 2012 | 2019 | 2013 |
| Funding (USD) | $20M | $8M | $27M | |
| GitHub contributors | 47 | 55 | 54 | 462 |
| GitHub Stars | 12.5k | 3.9k | 10.1k | 13.7k |
