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

84Health
Library PyPI

types-pytz

PEP 561 type stubs that add static typing to the Python pytz timezone library

5,120
Apache 2.0
Used by 4
84Health
Library PyPI

types-toml

PEP 561 type stubs that add static typing to the Python toml library

5,120
Apache 2.0
Used by 4
56Health
Library PyPI

Flask-SQLAlchemy

The official SQLAlchemy integration for Flask, adding scoped sessions, multi-database binds, and Flask-aware model conventions.

4,307
BSD 3
Used by 4
67Health
Library PyPI

pycryptodome

A self-contained, low-level Python library of cryptographic primitives — ciphers, hashes, MACs, and public-key algorithms — with no OpenSSL dependency.

3,262
Other
Used by 4
74Health
Library PyPI

django-environ

Configure Django apps with twelve-factor environment variables and URL-based settings.

3,165
MIT
Used by 4
91Health
Library PyPI

kombu

A Python messaging library giving Celery and other apps one high-level API over AMQP, Redis, SQS, and a dozen other broker transports.

3,142
BSD 3
Used by 4
85Health
SDK PyPI

notion-client

A simple, fully-featured Python client for the official Notion API, with sync and async support.

2,182
MIT
Used by 4
64Health
Library PyPI

mkdocstrings

MkDocs plugin that automatically generates API documentation from your source code and docstrings.

2,095
Other
Used by 4
87Health
Library PyPI

django-celery-beat

Store and manage Celery periodic task schedules in the Django ORM, editable from the Django admin.

1,953
BSD 3
Used by 4
47Health
Library PyPI

python-user-agents

Detects mobile, tablet, and PC devices — and their touch, bot, and browser capabilities — by parsing HTTP user agent strings.

1,514
MIT
Used by 4
66Health
Library PyPI

Flask-WTF

Simple integration of Flask and WTForms with built-in CSRF, file upload, and reCAPTCHA support

1,510
BSD 3
Used by 4
53Health
SDK PyPI

hvac

Python client library for HashiCorp Vault's secrets, authentication, and system-backend REST APIs.

1,315
Apache 2.0
Used by 4
46Health
Library PyPI

Flask-CORS

Cross-Origin Resource Sharing (CORS) support for Flask applications

932
MIT
Used by 4
52Health
Library PyPI

jsonpath-ng

A standard-compliant JSONPath implementation for Python with arithmetic operators, AST manipulation, and in-place updates.

733
Apache 2.0
Used by 4
88Health
Library PyPI

Griffe

Extract signatures and structure from entire Python programs for API docs and breaking-change detection.

691
Other
Used by 4
89Health
SDK PyPI

Databricks SDK for Python

The official Python SDK for automating Databricks workspaces and accounts.

566
Apache 2.0
Used by 4
50Health
Library PyPI

httplib2

A comprehensive Python HTTP client with built-in caching, compression, and authentication

511
MIT
Used by 4
87Health
Library PyPI

fakeredis

A pure-Python, in-memory implementation of the Redis protocol for testing.

459
BSD 3
Used by 4
63Health
Library PyPI

zope.interface

Design-by-contract interfaces for Python objects, components, and adapters.

351
Other
Used by 4
68Health
Library PyPI

py-amqp

A pure Python client implementing the AMQP 0.9.1 protocol, powering RabbitMQ transport for Celery and Kombu.

314
BSD 3
Used by 4
64Health
Library PyPI

python-json-logger

Format Python's standard logging output as structured JSON

270
Other
Used by 4
69Health
Tool PyPI

pytest-order

Pytest plugin for running tests in a specific, controllable order

210
MIT
Used by 4
54Health
Library Cargo

pyo3-async-runtimes

PyO3 bridges between Rust async runtimes and Python's asyncio

196
Apache 2.0
Used by 4
59Health
Library PyPI

cron-descriptor

A Python library that converts cron expressions into plain-English, localized descriptions.

186
MIT
Used by 4

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