Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

91Health
Tool PyPI

Uvicorn

A lightning-fast ASGI server for Python, built on uvloop and httptools.

10,963
BSD 3
Used by 81
90Health
Tool PyPI

Ruff

An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.

49,630
MIT
Used by 46
90Health
Tool PyPI

Gunicorn

A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.

10,669
MIT
Used by 33
84Health
Tool PyPI

mypy

Optional static type checker that catches Python bugs before you run your code

20,640
MIT
Used by 30
89Health
Tool PyPI

Alembic

Database migrations tool for SQLAlchemy with autogenerate and transactional DDL

4,393
MIT
Used by 26
90Health
Tool npm

js-beautify

Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code

8,995
MIT
Used by 11
49Health
Tool PyPI

MkDocs

A fast, simple static site generator for building project documentation from Markdown with a single YAML config file.

22,435
Other
Used by 10
87Health
Tool PyPI

isort

Automatically sorts and organizes Python import statements

6,951
MIT
Used by 8
58Health
Tool PyPI

flake8

The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.

3,823
MIT
Used by 8
69Health
Tool npm

@vitejs/plugin-basic-ssl

A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.

516
MIT
Used by 8
78Health
Tool PyPI

Sphinx

A documentation generator that turns reStructuredText or Markdown sources into polished HTML, PDF, EPUB, and more.

8,014
Other
Used by 7
89Health
Tool PyPI

build

A simple, correct Python build frontend for producing PEP 517 source distributions and wheels.

856
MIT
Used by 6
92Health
Tool PyPI

IPython

A productive interactive Python shell with rich introspection, tab completion, and magic commands.

16,781
BSD 3
Used by 5
84Health
Tool npm

quicktype

Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL

13,868
Apache 2.0
Used by 5
95Health
Tool PyPI

Pylint

A static code analyser for Python that catches bugs and enforces coding standards

5,723
GPL 2.0
Used by 5
88Health
Tool PyPI

Granian

A fast Rust HTTP server for Python that serves ASGI, WSGI, and RSGI applications

5,639
BSD 3
Used by 5
91Health
Tool PyPI

Poetry

Poetry is a dependency management and packaging tool for Python that resolves, locks, and installs project dependencies through a single pyproject.toml file.

34,304
MIT
Used by 4
87Health
Tool PyPI

pip

The official package installer for Python, bundled with the interpreter

10,286
MIT
Used by 4
69Health
Tool PyPI

pytest-order

Pytest plugin for running tests in a specific, controllable order

210
MIT
Used by 4
61Health
Tool PyPI

autopep8

Automatically format Python code to conform to the PEP 8 style guide.

4,660
MIT
Used by 3
77Health
Tool PyPI

pytest-html

A pytest plugin that turns your test run into an interactive, shareable HTML report.

778
MPL-2.0
Used by 3
92Health
Tool PyPI

Certbot

EFF's command-line tool to obtain and auto-renew free Let's Encrypt TLS certificates

33,232
Apache 2.0
Used by 2
84Health
Tool PyPI

ty

An extremely fast Python type checker and language server written in Rust.

19,688
MIT
Used by 2
91Health
Tool PyPI

PyInstaller

Bundle a Python application and all its dependencies into a single standalone package or executable.

13,095
Other
Used by 2

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