#python

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Astronomy and astrophysics core library

CLI tool to build, test, debug, and deploy Serverless applications using AWS SAM

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

matplotlib: plotting with Python

The fundamental package for scientific computing with Python.

OpenTelemetry Python API and SDK

A hyperparameter optimization framework

The uncompromising Python code formatter

scikit-learn: machine learning in Python

Streamlit — A faster way to build and share data apps.

Datadog Python APM Client

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

cuDF - GPU DataFrame Library

Qiskit is an open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.

Web based localization tool with tight version control integration.

AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x

Asynchronous Python framework for event-driven services. A thin client for Kafka, RabbitMQ, NATS, Redis and MQTT with full access to native broker features, plus AsyncAPI docs, in-memory tests and observability out of the box.

An ansible-native testing framework for collections, playbooks, and roles with configurable workflows for testing any system or service

Apache DataFusion SQL Query Engine

Apache Superset is a Data Visualization and Data Exploration Platform

Crawlee—A web scraping and browser automation library for Python to build reliable crawlers. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Parsel, BeautifulSoup, Playwright, and raw HTTP. Both headful and headless mode. With proxy rotation.

An extremely fast Python linter and code formatter, written in Rust.

A developer toolkit to implement Serverless best practices and increase developer velocity.

Multi-agent orchestration for AI coding CLIs — Claude Code, Kiro, Codex, and more, coordinated in isolated tmux sessions

A Python-embedded modeling language for convex optimization problems.

The Web framework for perfectionists with deadlines.

Free and Open Source Enterprise Resource Planning (ERP)