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

92Health
Framework PyPI

Streamlit

Turn a Python script into a shareable data app in minutes, with no frontend code

45,845
Apache 2.0
Used by 6
92Health
Framework PyPI

Gradio

Build and share machine learning web apps and demos in pure Python.

43,633
Apache 2.0
Used by 6
91Health
Framework npm

Pulumi

Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.

25,735
Apache 2.0
Used by 6
89Health
Tool PyPI

build

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

857
MIT
Used by 6
88Health
Framework PyPI

Deep Agents

The batteries-included agent harness for building long-horizon LLM agents

29,814
MIT
Used by 5
86Health
Framework PyPI

Tornado

Python web framework and asynchronous networking library built for high concurrency

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

IPython

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

16,787
BSD 3
Used by 5
86Health
Tool PyPI

pip

The official package installer for Python, bundled with the interpreter

10,287
MIT
Used by 5
95Health
Tool PyPI

Pylint

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

5,726
GPL 2.0
Used by 5
86Health
Tool PyPI

Granian

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

5,675
BSD 3
Used by 5
87Health
Framework PyPI

PySpark

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

44,074
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.

34,306
MIT
Used by 4
87Health
Framework PyPI

Strands Agents

A model-driven Python SDK for building and running AI agents in just a few lines of code

8,492
Apache 2.0
Used by 4
67Health
Tool PyPI

pytest-order

Pytest plugin for running tests in a specific, controllable order

211
MIT
Used by 4
96Health
Framework PyPI

Apache Airflow

Programmatically author, schedule, and monitor data workflows as Python-defined DAGs.

46,974
Apache 2.0
Used by 3
66Health
Framework PyPI

Textual

The Python framework for building sophisticated terminal and web user interfaces with a simple, async-native API.

37,354
MIT
Used by 3
92Health
Framework PyPI

PyTorch Lightning

A deep learning framework that organizes PyTorch training code and automates multi-GPU, mixed-precision, and distributed training.

31,364
Apache 2.0
Used by 3
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
85Health
Framework PyPI

ModelScope

Alibaba's open model-hub library for NLP, CV, speech, and multi-modal AI models.

9,156
Apache 2.0
Used by 3
91Health
Framework PyPI

AG2

An open-source AgentOS framework for building multi-agent AI systems

4,959
Apache 2.0
Used by 3
61Health
Tool PyPI

autopep8

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

4,659
MIT
Used by 3
83Health
Framework PyPI

behave

A Python behavior-driven development framework that runs Gherkin feature files against step definitions written in plain Python.

3,529
Other
Used by 3
72Health
Tool PyPI

pytest-html

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

779
MPL-2.0
Used by 3
94Health
Framework PyPI

Scrapy

A fast, high-level Python framework for crawling websites and extracting structured data at scale.

64,504
BSD 3
Used by 2

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