Top Open Source AI Tools

Stable Diffusion

★★★★★ Free

Open-source image generation with full local control and customization

Ollama

★★★★★ Free

Run Llama, Mistral, Gemma, and other open models locally on your Mac or Linux machine

LM Studio

★★★★★ Free

Desktop app for discovering, downloading, and running local AI models with a chat UI

Open WebUI

★★★★★ Free

Self-hosted web interface for Ollama and OpenAI models with RAG and multi-user support

Jan

★★★★☆ Free

Open-source offline AI assistant that runs entirely on your device

Llama (Meta)

★★★★☆ Free

Meta's open-source large language model family, free to download and deploy

n8n

★★★★★ Freemium

Open-source workflow automation with AI nodes and self-hosting option

LangChain

★★★★☆ Open Source

The most widely used framework for building LLM-powered applications and agents

Flowise

★★★★☆ Freemium

Open-source visual builder for LLM flows, chatbots, and AI agents

ComfyUI

★★★★★ Free

Node-based visual editor for building advanced Stable Diffusion image generation workflows

Stable Diffusion WebUI (AUTOMATIC1111)

★★★★★ Free

The most popular web interface for running Stable Diffusion models locally

CrewAI

★★★★☆ Freemium

Framework for orchestrating teams of AI agents to complete complex tasks

Dify

★★★★★ Open Source

Open-source LLM app development platform for building AI workflows and chatbots

Phidata

★★★★☆ Open Source

Open-source framework for building multi-modal AI agents with memory and tools