Best Open Source AI Framework Projects

🤗 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.

Production-ready platform for agentic workflow development.

Tensors and Dynamic neural networks in Python with strong GPU acceleration

💫 Toolkit to help you get started with Spec-Driven Development

real time face swap and one-click video deepfake with only a single image

Open Source Computer Vision Library

A collection of MCP servers.

List of Computer Science courses with video lectures.

The fastest path to AI-powered full stack observability, even for lean teams.

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

Tesseract Open Source OCR Engine (main repository)

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

🧑‍🏫 60+ Implementations/tutorials of deep learning papers with side-by-side notes 📝; including transformers (original, xl, switch, feedback, vit, ...), optimizers (adam, adabelief, sophia, ...), gans(cyclegan, stylegan2, ...), 🎮 reinforcement learning (ppo, dqn), capsnet, distillation, ... 🧠

scikit-learn: machine learning in Python

Deep Learning for humans

YOLOv5 🚀 in PyTorch > ONNX > CoreML > TFLite

Ultralytics YOLO 🚀

Deepfakes Software For All

🧠「大模型」2小时完全从0训练64M的小参数LLM！Train a 64M-parameter LLM from scratch in just 2h!

LlamaIndex is the leading document agent and OCR platform

🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!

The Julia Programming Language

12 Weeks, 24 Lessons, AI for All!

Spec-driven development (SDD) for AI coding assistants.

AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.

A community-supported supercharged document management system: scan, index and archive all your documents

AI-Powered Photos App for the Decentralized Web 🌈💎✨

We write your reusable computer vision tools. 💜

Pure Javascript OCR for more than 100 Languages 📖🎉🖥

Google Research

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

Cross-platform, customizable ML solutions for live and streaming media.

💫 Industrial-strength Natural Language Processing (NLP) in Python

Visualizer for neural network, deep learning and machine learning models

Playwright MCP server

Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.

GitHub's official MCP Server

:memo: An awesome Data Science repository to learn and apply for real world problems.

A next.js web application that integrates AI capabilities with draw.io diagrams. This app allows you to create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.

An AI prompt optimizer for writing better prompts and getting better AI results.

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

The fastai deep learning library

Integrate cutting-edge LLM technology quickly and easily into your apps

deep learning for image processing including classification and object-detection etc.

The Modular Platform (includes MAX & Mojo)

南瓜书：《机器学习》（西瓜书）公式详解

Your ultimate Go microservices framework for the cloud-native era.