| Languages Supported | Python, R, and Julia | R only | Python only |
| OSS License | MIT | AGPL | Apache 2.0 |
| Backend Architecture | Stateless | Stateful | Stateful |
| Downloads/month | 240,000 | 490,000 | 71,000 |
| Web protocol | HTTP(S) | Websockets | Websockets |
| Recommended deployment | Kubernetes (Dash Enterprise) | Shiny Server Pro (RStudio Connect) | Heroku |
| User experience | Web app | Model output with controls in a Web page | Notebook with controls |
| Primary use case | Operationalizing Python, R, & Julia models at scale | Single-page analytic apps for research & academia | Sharing Python analyses in notebooks |
| App structure | Multi-page | Single page | Notebook with code |
| Frontend | React | jQuery | React |
| 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 |
| Styling control | Dash Design Kit, Basic Bootstrap, or CSS | Basic Bootstrap or CSS | Limited |
| Crossfiltering | Yes | Yes | No |
| Dynamic Layouts | Yes (Pattern-Matching Callbacks) | No | No |
| Long Running Tasks | Yes | No | No |
| Year founded | 2017 | 2012 | 2019 |
| Funding (USD) | $20M | $8M | $6M |
| GitHub contributors | 42 | 41 | 46 |
| GitHub Stars | 11.4k | 3.8k | 7.6k |
