Ranked by Attention Score: stars gained over the last 180 complete days
1–100 of 287 by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.
VoxCPM2: Tokenizer-Free TTS for Multilingual Speech Generation, Creative Voice Design, and True-to-Life Cloning
Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key. Join our Discord https://discord.gg/VuxzM8mtf
Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4.1, MiniMax-H3, Gemma 4, FLUX and more.
The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.
🤗 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.
An extremely fast Python package and project manager, written in Rust.
An Open Source Machine Learning Framework for Everyone
A coding agent for open models like Kimi K3 and GLM 5.3
:house_with_garden: Open source home automation that puts local control and privacy first.
《动手学深度学习》：面向中文读者、能运行、可讨论。中英文版被70多个国家的500多所大学用于教学。
The LLM Evaluation Framework
An autonomous agent that conducts deep research on any data using any LLM providers
Lean Algorithmic Trading Engine by QuantConnect (Python, C#)
Multi-lingual large voice generation model, providing inference, training and deployment full-stack ability.
The self-driving agent platform
🚀 The fast, Pythonic way to build MCP servers and clients.
Incremental engine for long horizon agents 🌟 Star if you like it!
A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.
Apache Superset is a Data Visualization and Data Exploration Platform
A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.
Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos y grupo de chat. Fundamentos, frontend, backend, testing, IA...
Open-source, secure environment with real-world tools for enterprise-grade agents.
Open source software that helps you create and deploy high-frequency crypto trading bots
Download market data from Yahoo! Finance's API
The #1 AI Harness for Building Resumes, PDFs, Cover Letters & more, locally with 100+ LLMs support.
Apache Airflow - A platform to programmatically author, schedule, and monitor workflows
Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
Streamlit — A faster way to build and share data apps.
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
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.
Prefect is a workflow orchestration framework for building resilient data pipelines in Python.
Build and share delightful machine learning apps, all in Python. 🌟 Star to support our work!
DevOps Roadmap for 2026. with learning resources
The official Python library for the OpenAI API
Build realtime web, mobile and desktop apps in Python only. No frontend experience required.
The premier source of truth powering network automation. Open source under Apache 2. Try NetBox Cloud free: https://netboxlabs.com/products/free-netbox-cloud/
This repo hosts Prowler OSS (CLI and Local Server). Prowler is the world’s most widely used open-source cloud security platform that automates security and compliance across any cloud environment for Humans and AI Agents.
Apache Spark - A unified analytics engine for large-scale data processing
Python training for business analysts and traders
Multi-Agent Harness for Production AI
A simple, yet elegant, HTTP library.
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
Visualize, query, and stream to train on multimodal robotics data.
Real-time, local speech-to-text with streaming ASR, speaker diarization, translation, and OpenAI/Deepgram-compatible APIs.
An orchestration platform for the development, production, and observation of data assets.
A data visualization and analytics component, especially well-suited for large and/or streaming datasets.
🕸️ Web apps in pure Python 🐍
🤗 PEFT: State-of-the-art Parameter-Efficient Fine-Tuning.
Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.
Pulumi - Infrastructure as Code in any programming language 🚀
FlatBuffers: Memory Efficient Serialization Library
BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI workflow, RAG, Agent, Unified model management, Evaluation, SFT, Dataset Management, Enterprise-level System Management, Observability and more.
A browser automation framework and ecosystem.
Polar — A billing platform for the intelligence era
data load tool (dlt) is an open source Python library that makes data loading easy 🛠️
Rust bindings for the Python interpreter
支持 Python3、JavaScript、Shell、Typescript 的定时任务管理平台（Timed task management platform supporting Python3, JavaScript, Shell, Typescript）
Deep Learning for humans
Refine high-quality datasets and visual AI models
Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node
💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
Qiskit is an open-source SDK for working with quantum computers at the level of extended quantum circuits, operators, and primitives.
ValueCell is a community-driven, multi-agent platform for financial applications.
🐍 Geometric Computer Vision Library for Spatial AI
Fast and Accurate ML in 3 Lines of Code
An open source multi-tool for exploring and publishing data
Zipline, a Pythonic Algorithmic Trading Library
AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x
Build Conversational AI in minutes ⚡️
TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation.
Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.
Parlant is an open platform for building customer-facing chat agents with AI. Describe how the agent should behave, and your coding agent implements it for you.
Memray is a memory profiler for Python
Turns Data and AI algorithms into production-ready web applications in no time.
The fastest PDF library for Python and Rust. Text extraction, image extraction, markdown conversion, PDF creation & editing. 0.8ms mean, 5× faster than industry leaders, 100% pass rate on 3,830 PDFs. MIT/Apache-2.0.
Generic automation framework for acceptance testing and RPA
Software to automate the management and configuration of infrastructure and applications at scale.
Oracle3: open-source trading engine and MCP server for prediction markets. Finds fee-adjusted no-arbitrage violations across related event contracts and trades them live on Kalshi, Polymarket and Solana, or on paper, under pre-trade risk limits. 13 MCP tools, JSON CLI, agent skills, 600+ tests.
Bandit is a tool designed to find common security issues in Python code.
Bub it. Build it. A tiny agent runtime, composable with plugins.
The fastai deep learning library
PArallel Distributed Deep LEarning: Machine Learning Framework from Industrial Practice （『飞桨』核心框架，深度学习&机器学习高性能单机、分布式训练和跨平台部署）
The Open Source Feature Store for AI/ML
PennyLane is an open-source quantum software platform for quantum computing, quantum machine learning, and quantum chemistry. Create meaningful quantum algorithms, from inspiration to implementation.
A free, online learning platform to make quality education accessible for all.
A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classification, regression and other machine learning tasks for Python, R, Java, C++. Supports computation on CPU and GPU.
Build, Manage and Deploy AI/ML Systems
Asynchronous HTTP client/server framework for asyncio and Python
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy
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.
Performance analysis of predictive (alpha) stock factors
High-performance TensorFlow library for quantitative finance.
A python library for user-friendly forecasting and anomaly detection on time series.
The most widely used Python to C compiler
chDB is an in-process OLAP SQL Engine 🚀 powered by ClickHouse
NLTK Source