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

Kind2
Library4824 SDK549 Tool342 Framework214
Category
Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194
Tags1
React667 Python639 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON204 Laravel203 Go192 Python 318
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 17 of 5929 packages
Library Tool Python 3 Clear all
92Health
Library PyPI

Pillow

The friendly PIL fork that adds image processing capabilities to Python

13,856
Other
Used by 62
83Health
Library PyPI

asyncpg

A fast PostgreSQL database client library for Python built directly on asyncio, implementing the PostgreSQL binary wire protocol natively for high-throughput async applications.

8,094
Apache 2.0
Used by 26
80Health
Library PyPI

opencv-python

Pre-built, pip-installable OpenCV bindings that give Python programs full computer vision and image-processing capabilities without compiling from source.

5,412
MIT
Used by 12
86Health
Library PyPI

pyparsing

Build recursive-descent parsers in Python without a separate grammar file

2,493
MIT
Used by 11
80Health
Library PyPI

OAuthLib

Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python

2,982
BSD 3
Used by 6
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.

3,143
BSD 3
Used by 4
92Health
Tool PyPI

PyInstaller

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

13,112
Other
Used by 3
76Health
Library PyPI

aio-pika

An asyncio-native Python client for RabbitMQ that wraps aiormq with a high-level, fully type-hinted API and transparent auto-reconnection.

1,479
Apache 2.0
Used by 2
54Health
Library PyPI

aiocache

Asyncio cache manager with a unified async API across memory, Valkey/Redis, and Memcached backends

1,436
BSD 3
Used by 2
40Health
Library PyPI

zxcvbn-python

A Python port of Dropbox's zxcvbn - realistic password strength estimation with crack-time estimates and specific improvement feedback.

717
MIT
Used by 2
42Health
Library PyPI

fastuuid

Rust-powered CPython bindings that generate and parse UUIDs faster than Python's stdlib, with a fully drop-in compatible API.

189
BSD 3
Used by 2
47Health
Library PyPI

aioredis-py

An asyncio-native Redis client for Python, later merged into redis-py's asyncio module.

2,282
MIT
Used by 1
92Health
Library PyPI

dulwich

A pure-Python implementation of Git, giving you programmatic access to repositories without shelling out to the git binary.

2,282
Other
Used by 1
90Health
Library PyPI

graphql-core

A Python 3 port of the GraphQL.js reference implementation of GraphQL.

532
MIT
Used by 1
57Health
Library PyPI

srsly

Unified, cross-platform JSON, JSONL, MessagePack, Pickle, and YAML serialization for Python

488
MIT
Used by 1
44Health
Library PyPI

wasabi

A lightweight, zero-dependency console printing and formatting toolkit for Python

471
MIT
Used by 1
45Health
Library PyPI

Python Xlib

A pure-Python implementation of the X11 protocol for talking to an X server.

465
LGPL-2.1
Used by 1

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