Modifies strings to all use the same quote where possible

Log filter that removes duplicate log messages

Run-time C++ library for working with units of measurement and conversions between them and with string representations of units and measurements

Unittest-based test runner with Ant/JUnit like XML reporting

Library for parsing version ranges and expressions

Flashes Silicon Labs radios running EmberZNet or CPC multi-pan firmware

AR file handling for Python (including .deb files)

Wrapper for UnRAR library, plus a rarfile module on top of it

Wrap the Unrar DLL to enable unraring of files in python

Program to extract files from the RPA archive format

Finetune Llama 3.3, DeepSeek-R1 & Reasoning LLMs 2x faster with 70% less memory

Utils for Unsloth

Open source libraries and APIs to build custom preprocessing pipelines for labeling, training, or production machine learning pipelines

Python Client SDK for Unstructured API

Hosted model inference code for layout parsing models

Transforms tokens into original source code while preserving whitespace

UONET+ (hebe) request signer for Python

Library for interacting with UPB PIM

UpCloud API Client

Generic modularized configuration file manager

Python implementation of untyped plutus language core

Declarative HTTP client for Python

Protocol Buffers (Protobuf) support for Uplink

Python's http.server extended to include a file upload page

Python 3 library for accessing UPnP devices

UPnP client library for Python

ROOT I/O in pure Python and Numpy

Cross-platform way to retrieve system uptime and boot time

Python wrapper for the Uptime Kuma Socket.IO API

Python wrapper around UptimeKuma /metrics endpoint

Implementation of RFC 6570 URI templates

RFC 3986 compliant, Unicode-aware, scheme-agnostic replacement for urlparse

URL normalization for Python

Collects and extracts URLs from given text

Python module for downloading files

Powerful, user-friendly HTTP client for Python

Powerful HTTP 1.1, 2, and 3 client with both sync and async interfaces

Django URL pattern helpers

Python library for easily pattern matching wildcard URLs

Python library for manipulating URLs (and some URIs) in a more natural way

Python API client for urlscan.io

Textbox edit widget for urwid that supports readline shortcuts

Collection of widgets for urwid

Package for easily working with US and state metadata

Library for mapping, describing, and resetting USB devices

Cross-platform library for USB device monitoring

Python library providing utilities, data structures, constants, parsers, and tools for working with the USB protocol

Tool to control USB HID relays

Python implementation of the USBTMC instrument control protocol

Smaller & Faster Single-File Vector Search Engine from Unum

Useful types for Python

Python library to identify devices by parsing user agent strings

Cross-platform tool for adding locations to the user PATH

Safe, minimal import sorting for Python projects

Python set of utility functions and objects

Utilities for working with Uniform Type Identifiers

Python bindings to Rust UUID

New time-based UUID formats which are suited for use as a database key

Minimal build backend for uv

Dynamic versioning based on VCS tags for uv/hatch project

Client for Ubiquiti's Unifi Camera NVR

Lightning-fast ASGI server

Uvicorn worker for Gunicorn

WSGI application wrapper that handles Transfer-Encoding: chunked

Vehicular traffic flow simulator in road network, written in pure Python

VAlidators Adapter makes validation by any existing validator with the same interface

Common code for vacuum map parsers

Functionalities for Roborock vacuum map parsing

Valhalla API Client

Verify if an email address is valid and really exists

Validation library for simple check on pyproject.toml

Daily automatic mirror of SchemaStore for validate-pyproject

Python library of 60+ commonly-used validator functions

Python Data Validation for Humans

Library that takes semistructured data (for example JSON and YAML configuration files) and converts it to more structured Python objects

Python client for Redis key-value store

Async API for Vallox ventilation units

Library providing syntactic sugar for creating variant forms of a canonical function

Basic varint implementation in python

Python implementation of the Varlink protocol

Python library for dealing with VAT MOSS and Norway VAT on digital services. Includes VAT ID validation, rate calculation based on place of supply, exchange rate and currency tools for invoices

Module to compile your VueJS components to standalone HTML/JS/CSS

vCard validator, class and utility functions

Library for working with Valve's VDF text format

Synchronize calendars and contacts

Library for 2D, 3D, and Lorentz vectors, especially arrays of vectors, to solve common physics problems in a NumPy-like way

IPython/Jupyter widget for Vega and Vega-Lite

Core tools for using VegaFusion from Python

Basic package for simplifying interactions with the Vegetronix VegeHub

Python client providing RDW vehicle information

Python library to support the Velbus home automation system

Python interface for Venstar ColorTouch thermostats Resources

Verbose logging for Python's logging module

Standalone variant of packaging.version, without anything else

Version-string management for VCS-controlled trees

Setuptools plugin for determining package version from VCS

Python library designed to make accessing the current version number of your software easy

Converter and deserializer for FontLab Studio 5 VFB files

Linear algebra for humans: a very good vector-geometry and linear-algebra toolbelt