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Python composable command line interface toolkit

The most popular Python testing framework

Scalable load testing framework in Python

Structured outputs from LLMs — type-safe validation via Pydantic

Modern, fast Python web framework for building APIs.

Lightweight Python web framework — minimal and flexible.

Batteries-included Python web framework for perfectionists.

Universal version manager for Node.js, Python, Ruby, Go, and more.

Polyglot dev tools version manager — Node, Python, Go, and more.

Meta's deep learning framework — the researcher's choice for AI/ML

Google's production ML platform with Keras, TFLite, and TF.js

The standard Python ML library for classical algorithms — SVMs to forests

GPT-4, DALL-E, Whisper and more via RESTful API

Claude AI API — analysis, coding, and safety-first language models

Generate API clients for 50+ languages from OpenAPI specs

Integration testing with real Docker-based dependencies — no mocks needed

Microsoft's SDK for building AI agents in .NET, Python, and Java

Python ORM for FastAPI combining Pydantic and SQLAlchemy

Async Python MongoDB ODM based on Pydantic for FastAPI apps

Async Python ORM inspired by Django ORM for FastAPI and asyncio

Build context-aware reasoning applications with LLMs

Data framework for LLM applications

JOSE implementation in Python

Background Processing for Python 3.