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

83Health
Framework PyPI

Tornado

Python web framework and asynchronous networking library built for high concurrency

22,179
Apache 2.0
Used by 5
90Health
Framework PyPI

Pydantic AI

A type-safe Python agent framework built by the Pydantic team

19,936
MIT
Used by 5
92Health
Tool PyPI

IPython

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

16,781
BSD 3
Used by 5
93Health
Library PyPI

SymPy

Full-featured computer algebra system (CAS) written entirely in pure Python

14,938
BSD 3
Used by 5
92Health
Library PyPI

RQ

Simple Python library for queueing jobs and processing them in the background with Redis or Valkey workers

10,686
Other
Used by 5
90Health
Library PyPI

hypothesis

Property-based testing for Python that generates edge cases and shrinks failures to their simplest reproducing example.

8,966
MPL-2.0
Used by 5
67Health
Library PyPI

pendulum

A drop-in replacement for Python's datetime with timezone-aware objects by default and a friendlier API.

6,674
MIT
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
49Health
Library PyPI

fake-useragent

Up-to-date user-agent string faker backed by a real-world browser usage database, bundled offline.

4,050
Apache 2.0
Used by 5
90Health
SDK PyPI

Pika

Pure Python RabbitMQ/AMQP 0-9-1 client library

3,883
BSD 3
Used by 5
61Health
Library PyPI

PyOTP

Python library for generating and verifying TOTP/HOTP one-time passwords for 2FA

3,335
MIT
Used by 5
86Health
Library PyPI

PyAV

Pythonic bindings for FFmpeg's audio, video, subtitle, and container libraries.

3,282
BSD 3
Used by 5
90Health
Library PyPI

fpdf2

A pure-Python library for generating and manipulating PDF documents, with text, images, tables, barcodes, SVG, and digital signing built in.

1,540
Other
Used by 5
41Health
Library PyPI

requests-toolbelt

A collection of utilities extending Python's Requests library for HTTP

1,039
Apache 2.0
Used by 5
91Health
SDK npm

pulumi-aws

Type-safe Pulumi resources for provisioning and managing AWS infrastructure as code.

579
Apache 2.0
Used by 5
75Health
SDK PyPI

Cohere Python SDK

Official Python client for the Cohere API, with typed access to chat, embed, rerank, and generate across AWS, Azure, GCP, and OCI.

399
MIT
Used by 5
79Health
Library PyPI

uuid-utils

A Rust-powered, drop-in replacement for Python's uuid module that generates UUIDv1-v8 much faster than the standard library.

372
BSD 3
Used by 5
71Health
SDK PyPI

s3transfer

Python library for managed, high-performance S3 file transfers

240
Apache 2.0
Used by 5
65Health
Library PyPI

tinycss2

Low-level CSS Syntax Level 3 parser and generator for Python

190
BSD 3
Used by 5
87Health
Framework PyPI

PySpark

Python API for Apache Spark, the unified engine for large-scale distributed data processing

43,997
Apache 2.0
Used by 4
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
97Health
SDK PyPI

python-telegram-bot

A fully async, type-hinted Python wrapper for the Telegram Bot API with a batteries-included framework for building bots.

29,465
Other
Used by 4
94Health
SDK PyPI

yfinance

Pythonic access to Yahoo Finance market data, returned as ready-to-use pandas DataFrames.

25,247
Apache 2.0
Used by 4

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