Best Open Source AI Framework Projects

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.

Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics

🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

Machine Learning Systems

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）

Graph Neural Network Library for PyTorch

ncnn is a high-performance neural network inference framework optimized for the mobile platform

Learn OpenCV : C++ and Python Examples

A Lightweight Face Recognition and Facial Attribute Analysis (Age, Gender, Emotion and Race) Library for Python

CVPR 2026 论文和开源项目合集

Best Practices on Recommendation Systems

💬 Open source machine learning framework to automate text- and voice-based conversations: NLU, dialogue management, connect to Slack, Facebook, and more - Create chatbots and voice assistants

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

⚡️HivisionIDPhotos: a lightweight and efficient AI ID photos tools. 一个轻量级的AI证件照制作算法。

Open standard for machine learning interoperability

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

"RAG-Anything: All-in-One RAG Framework"

A machine learning-based video super resolution and frame interpolation framework. Est. Hack the Valley II, 2018.

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Official, Anthropic-managed directory of high quality Claude Code Plugins.

An open source cybersecurity protocol for syncing decentralized graph data.

:book: A curated list of resources dedicated to Natural Language Processing (NLP)

Materials for the Learn PyTorch for Deep Learning: Zero to Mastery course.

此项目是机器学习(Machine Learning)、深度学习(Deep Learning)、NLP面试中常考到的知识点和代码实现，也是作为一个算法工程师必会的理论基础知识。

Streaming music player that finds free music for you

State-of-the-art Machine Learning for the web. Run 🤗 Transformers directly in your browser, with no need for a server!

Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).

Context window optimization for AI coding agents. Sandboxes tool output, 98% reduction. 15 platforms

📻Terminal/ssh/sftp/ftp/telnet/serialport/RDP/VNC/Spice client(linux, mac, win)

OpenMetadata is a unified metadata platform for data discovery, data observability, and data governance powered by a central metadata repository, in-depth column level lineage, and seamless team collaboration.

MCP for xiaohongshu.com

Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with automatic conflict detection

Show usage stats for OpenAI Codex and Claude Code, without having to login.

🍌 World's largest Nano Banana Pro prompt library — 10,000+ curated prompts with preview images, 16 languages. Google Gemini AI image generation. Free & open source.

This repository contains demos I made with the Transformers library by HuggingFace.

Force Remove Copilot, Recall and More in Windows 11

Semantic segmentation models with 500+ pretrained convolutional and transformer-based backbones.

💥 Fast State-of-the-Art Tokenizers optimized for Research and Production

OCR model that handles complex tables, forms, handwriting with full layout.

Open source MCP Servers for AWS

An AI-powered search engine with a generative UI

Cybersecurity AI (CAI), the framework for AI Security

High accuracy RAG for answering questions from scientific documents with citations

A polyglot document intelligence framework with a Rust core. Extract text, metadata, images, and structured information from PDFs, Office documents, images, and 97+ formats. Available for Rust, Python, Ruby, Java, Go, PHP, Elixir, C#, R, C, TypeScript (Node/Bun/Wasm/Deno)- or use via CLI, REST API, or MCP server.

BertViz: Visualize Attention in Transformer Models

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.