3,982 dependents
Package Description Downloads/month
The pytest framework makes it easy to write small tests, yet scales to support c... 698.5M
Modern, extensible Python project management 282.6M
A database migrations tool for SQLAlchemy. 178.4M
Optional static typing for Python 154.1M
A simple, correct Python build frontend 149.6M
the blessed package to manage your versions by scm tags 145.4M
The uncompromising Python code formatter 121.2M
the blessed package to manage your versions by scm tags 114.6M
Python packaging and dependency management made easy 77.4M
Intuitive, easy CLIs based on python type hints. 77.2M
JupyterLab computational environment. 54.1M
It's not just a linter that annoys you! 47.7M
tox-dev tox
Command line driven CI frontend and development task automation tool. 43.3M
Lightweight static analysis for many languages. Find bug variants with patterns ... 43M
Run and manage FastAPI apps from the command line with FastAPI CLI. 🚀 36M
A set of tools to keep your pinned Python dependencies fresh. 27.9M
AI observability platform for production LLM and agent systems. 24.7M
pytest plugin to set environment variables in pytest.ini or pyproject.toml file 23.8M
API to interact with the python pyproject.toml based projects 18.2M
Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth! 18.1M
A formatter for Python files 14.9M
Meson PEP 517 Python build backend 14.7M
A library for versioning your Python projects. 14.3M
Write scalable load tests in plain Python 🚗💨 13.6M
Audits Python environments, requirements files and dependency trees for known se... 13.4M
The official Python library for the together API 13.1M
Python data model generator (Pydantic, dataclasses, TypedDict, msgspec) from Ope... 12.8M
Build and publish crates with pyo3, cffi and uniffi bindings as well as rust bin... 11.9M
pdm-project pdm
A modern Python package and dependency manager supporting the latest PEP standar... 10.6M
A low-level library for calling build-backends in `pyproject.toml`-based project 10.4M
A tool that automatically formats Python code to conform to the PEP 8 style guid... 9.5M
A modular SQL linter and auto-formatter with support for multiple dialects and t... 9.5M
A next generation Python CMake adaptor and Python API for plugins 8.9M
Find dead Python code 8.8M
PEP-484 stubs for Django 8M
Removes unused imports and unused variables 8M
Fancy PyPI READMEs with Hatch 7.5M
Install and Run Python Applications in Isolated Environments 7.4M
Framework for orchestrating role-playing, autonomous AI agents. By fostering col... 7.4M
An orchestration platform for the development, production, and observation of da... 6.9M
A standalone implementation of PEP 735 Dependency Groups 6.6M
Find unused, missing and transitive dependencies in a Python project. 6.2M
wntrblm nox
Flexible test automation for Python 6M
Safety checks Python dependencies for known security vulnerabilities and suggest... 5.9M
Lint your Python architecture. 5.3M
✨ HTML Template Linter and Formatter. Django - Jinja - Nunjucks - Handlebars - G... 5.2M
A ASGI Server based on Hyper libraries and inspired by Gunicorn 5M
A parser for Python dependency files 5M
BDD, Python style. 4.8M
A task runner that works well with poetry or uv. 4.4M