Best open source AI tools
Top AI tools you can self-host, fork, or contribute to — fully open source.
| # | Tool | Category | Pricing | Visit |
|---|---|---|---|---|
| 1 | Ollama Run LLMs locally — pull and run Llama, Mistral, Gemma, and 100+ models with one command and OpenAI-compatible API | LLM Frameworks | Free | Visit |
| 2 | Continue Open-source AI coding assistant | Code / DevTools | Free | Visit |
| 3 | Open Interpreter Not publicly documented | Code / DevTools | Paid | Visit |
| 4 | LangChain Open-source LLM application framework — chains, agents, RAG, and 700+ integrations with 127K GitHub stars | LLM Frameworks | Free | Visit |
| 5 | LlamaIndex Python RAG framework — connect LLMs to 160+ data sources with production-grade retrieval pipelines | LLM Frameworks | Free | Visit |
| 6 | Hugging Face The AI community hub — 900K+ models, 200K+ datasets, Inference API, and Spaces for the open-source ML ecosystem | LLM Frameworks | Free | Visit |
| 7 | Stable Diffusion Open-source AI image generation — run locally, fine-tune freely | Image | Free | Visit |
| 8 | AutoGen Microsoft's open-source framework for conversational multi-agent AI systems | Agents | Free | Visit |
| 9 | CrewAI Python framework for orchestrating role-playing multi-agent AI teams | Agents | Free | Visit |
| 10 | Zed Not publicly documented | Code / DevTools | Paid | Visit |