ipywidgets
Jupyter interactive widgets
Decision gist · record as of 2026-08-14
Yes. ipywidgets is a mature, widely-used library in the top 1000 on PyPI with permissive licensing and no known vulnerabilities. Install friction is low and Python version support is current. The aging maintenance status (286 days since release) is a minor concern but not a blocker for typical notebook-based interactive work.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Jupyter or IPython kernel to display widgets; widgets will not render in plain Python scripts.
- Low install friction with a wheel distribution.
- Maintenance status is aging (286 days since last release), though the package has been in active development since 2015 and supports current Python versions.
License · maintenance · safety
BSD 3-Clause License (permissive) — BSD 3-Clause License is permissive; you can use, modify, and distribute this package freely in commercial and open-source projects with minimal restrictions.
last release 2025-11-01 (286 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 43,682,309 downloads/mo, #640 on PyPI
Alternatives
Verify before relying
pip install ipywidgets
from ipywidgets import IntSlider, Button
slider = IntSlider(min=0, max=10, value=5)
button = Button(description='Click me')- Whether the 286-day gap since last release indicates active maintenance or dormancy relative to the project's release cadence.
- Current state of the widgetsnbextension and jupyterlab_widgets dependencies and their compatibility with modern Jupyter versions.
What it is and what it does
ipywidgets is a Python library that brings interactive HTML controls—sliders, buttons, text inputs, checkboxes, progress bars, and display areas—into Jupyter notebooks and IPython kernels. It lets you build interactive interfaces directly in notebook cells without writing HTML or JavaScript, making it easy to create dashboards, parameter explorers, and data-driven visualizations.
The package depends on comm, ipython, traitlets, widgetsnbextension, and jupyterlab_widgets to handle communication between the Python kernel and the browser frontend, manage widget state, and integrate with Jupyter environments. It supports Python 3.7 and newer, including current versions through 3.13, and is widely used in scientific computing and data analysis workflows.
Use it for
- Build parameter exploration dashboards in notebooks where users adjust sliders and buttons to update plots or calculations in real time.
- Create interactive data analysis tools that let researchers filter, sort, or visualize datasets without writing code.
- Display progress bars and status indicators during long-running computations in notebook cells.
- Prototype interactive applications and user interfaces rapidly within Jupyter without deploying a separate web server.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
ipywidgets is a mature, widely-used library in the top 1000 on PyPI with permissive licensing and no known vulnerabilities. Install friction is low and Python version support is current. The aging maintenance status (286 days since release) is a minor concern but not a blocker for typical notebook-based interactive work.
Install
ipywidgets on PyPI
Before you install
Low install friction with a wheel distribution. Maintenance status is aging (286 days since last release), though the package has been in active development since 2015 and supports current Python versions.
Requires Jupyter or IPython kernel to display widgets; widgets will not render in plain Python scripts.
License in practice
BSD 3-Clause License is permissive; you can use, modify, and distribute this package freely in commercial and open-source projects with minimal restrictions.
Quickstart
pip install ipywidgets
from ipywidgets import IntSlider, Button
slider = IntSlider(min=0, max=10, value=5)
button = Button(description='Click me')Verify before relying
- Whether the 286-day gap since last release indicates active maintenance or dormancy relative to the project's release cadence.
- Current state of the widgetsnbextension and jupyterlab_widgets dependencies and their compatibility with modern Jupyter versions.
Package facts
| License | BSD 3-Clause License permissive |
| Python support | Supports the current Python release >=3.7 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 5 packagescommipythontraitletswidgetsnbextensionjupyterlab_widgets |
| Maintenance | Aging 286 days since the last release |
| First released | |
| Downloads | 43,682,309 / month, #640 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Framework :: JupyterIntended Audience :: DevelopersIntended Audience :: Science/ResearchIntended Audience :: System AdministratorsLicense :: OSI Approved :: BSD LicenseProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.9 |
Evidence: ipywidgets-8.1.8-py3-none-any.whl
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