Flask

Python HTTP for Humans.

Pytest: simple powerful testing with Python.

The AWS SDK for Python.

Powerful data structures for data analysis, time series, and statistics.

NumPy is the fundamental package for array computing with Python.

Python 2 and 3 compatibility utilities.

HTTP library with thread-safe connection pooling, file post, and more.

Extensions to the standard Python datetime module.

The modular source code checker: pep8, pyflakes and co.

Python package for providing Mozilla's CA Bundle.

Internationalized Domain Names in Applications (IDNA).

World timezone definitions, modern and historical.

Code coverage measurement for Python.

Composable command line interface toolkit.

The uncompromising code formatter.

YAML parser and emitter for Python.

Easily download, build, install, upgrade, and uninstall Python packages.

Add .env support to your django/flask apps in development and deployments.

Pytest plugin for measuring coverage.

Cryptography is a package which provides cryptographic recipes and primitives to Python developers.

Data validation and settings management using python 3.6 type hinting.

Python plotting package.

Rolling backport of unittest.mock for all Pythons.

Low-level, data-driven core of boto 3.

A high-level Python Web framework that encourages rapid development and clean, pragmatic design.

SciPy: Scientific Library for Python.

Core utilities for Python packages.

Fast, Extensible Progress Meter.

FastAPI framework, high performance, easy to learn, fast to code, ready for production.

A framework for managing and maintaining multi-language pre-commit hooks.

Python wrapper for the Cloudflare v4 API.

A very fast and expressive template engine.

Classes Without Boilerplate.

Screen-scraping library.

WSGI HTTP Server for UNIX.

Optional static typing for Python.

Python Imaging Library (Fork).

Universal encoding detector for Python 2 and 3.

A set of python modules for machine learning and data mining.

Foreign Function Interface for Python calling C code.

Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

Async http client/server framework (asyncio).

A built-package format for Python.

Cross-platform colored terminal text.

The lightning-fast ASGI server.

Python parsing module.

Safely add untrusted strings to HTML/XML markup.

C parser in Python.

Protocol Buffers.

Backported and Experimental Type Hints for Python 3.5+.