Best Open Source Artificial Intelligence Projects

OpenClaw

An open-source AI assistant that lives in the chat apps you already use

Dify

Build AI workflows, RAG pipelines and agents on one visual platform

Aider

AI pair programming in your terminal

Zilliz / Milvus

The open source vector database for AI.

Qdrant

A fast, Rust-built vector database for similarity search, semantic retrieval and AI-powered recommendations.

Activepieces

Open-source AI automation and a type-safe alternative to Zapier

Weaviate

An open source vector database that stores both objects and vectors.

doccano

Open-source text annotation tool for machine learning

OpenWhispr

Private voice dictation, meeting transcription and notes for your desktop

Rivet

The open-source visual AI programming environment.

Refinery

The data scientist's open-source choice to scale, assess and maintain natural language data.

Piaf

Question-answering annotation platform from French public services

Inspo AI

AI design intelligence platform for UI inspiration, agentic UI generation, brand scanning, moodboards, and production-ready React interfaces.

Open-source AI components for rapid development.