PySide6-Fluent-Widgets
A fluent design widgets library based on PySide6
Decision gist · record as of 2026-08-14
Yes, if you are building a non-commercial PySide6 application and want a modern Windows-style UI without extensive custom styling. The library is actively maintained, well-documented, and has no known vulnerabilities. For commercial use, you must purchase a license. Installation friction is low and dependencies are standard.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Installation is straightforward with low friction; the package is actively maintained with a recent release 13 days old and 8067 repository stars.
- Three runtime dependencies are standard Python packages.
License · maintenance · safety
GPLv3 (copyleft) — Licensed under GPLv3 for non-commercial use; commercial applications require a separate commercial license. Using this in a proprietary product without a license creates legal exposure.
last release 2026-08-01 (13 days) · last repo commit 2026-08-01 · 8,067 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 90,409 downloads/mo, #13,586 on PyPI
Alternatives
Verify before relying
pip install PySide6-Fluent-Widgets
from qfluentwidgets import FluentWindow
from PySide6.QtWidgets import QVBoxLayout
window = FluentWindow()
window.show()- Whether the full-featured version with AcrylicLabel requires additional system dependencies or compilation steps.
- Exact Python version compatibility (requires_python is unspecified in the fact sheet).
- Performance characteristics or memory footprint when rendering large numbers of fluent widgets.
What it is and what it does
PySide6-Fluent-Widgets is a widget library that brings Microsoft's Fluent Design System to PySide6 applications. It wraps PySide6 with pre-built, styled components that follow Windows design guidelines, so you can build modern desktop UIs without hand-coding every visual detail. The library depends on PySide6 for the underlying Qt bindings, PySideSix-Frameless-Window for custom window chrome, and darkdetect to adapt the UI to system light/dark mode.
The package is distributed in two variants: a standard version and a full-featured version (installable with [full]) that includes additional components like AcrylicLabel. It's actively maintained with 90409 monthly downloads and comprehensive documentation. Non-commercial use is free under GPLv3, but commercial applications require a paid license.
Use it for
- Build a desktop application with a modern Windows Fluent Design look without manually styling every control.
- Create a cross-platform tool that adapts its UI theme to the system's light or dark mode preference.
- Develop an internal utility or data-entry application that needs professional appearance with minimal design effort.
- Prototype a Windows-native UI quickly using fluent components in Qt Designer.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building a non-commercial PySide6 application and want a modern Windows-style UI without extensive custom styling.
The library is actively maintained, well-documented, and has no known vulnerabilities. For commercial use, you must purchase a license. Installation friction is low and dependencies are standard.
Install
pyside6-fluent-widgets on PyPI
Before you install
Installation is straightforward with low friction; the package is actively maintained with a recent release 13 days old and 8067 repository stars. Three runtime dependencies are standard Python packages.
License in practice
Licensed under GPLv3 for non-commercial use; commercial applications require a separate commercial license. Using this in a proprietary product without a license creates legal exposure.
Quickstart
pip install PySide6-Fluent-Widgets
from qfluentwidgets import FluentWindow
from PySide6.QtWidgets import QVBoxLayout
window = FluentWindow()
window.show()Verify before relying
- Whether the full-featured version with AcrylicLabel requires additional system dependencies or compilation steps.
- Exact Python version compatibility (requires_python is unspecified in the fact sheet).
- Performance characteristics or memory footprint when rendering large numbers of fluent widgets.
Package facts
| License | GPLv3 copyleft |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 3 packagesPySide6PySideSix-Frameless-Windowdarkdetect |
| Maintenance | Actively maintained 13 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 90,409 / month, #13,586 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | License :: OSI Approved :: GNU General Public License v3 (GPLv3)Operating System :: OS IndependentProgramming Language :: Python :: 3 |
Evidence: pyside6_fluent_widgets-1.11.3-py3-none-any.whl
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See also PySide6-Essentials · PySide6 · qt-material · pyqtgraph · superqt · pyqt5-tools · PySide6-Addons · QtPy · sv-ttk · QDarkStyle