Best Open Source AI Framework Projects

An Open Source Machine Learning Framework for Everyone

🤗 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.

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

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

Tensors and Dynamic neural networks in Python with strong GPU acceleration

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

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

A collection of MCP servers.

Open Source Computer Vision Library

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.

List of Computer Science courses with video lectures.

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