Best self-hosted Generative Artificial Intelligence (GenAI) apps

Generative Artificial Intelligence (GenAI) is a subset of artificial intelligence that uses generative models to produce text, images, videos, or other forms of data.

13 open source Generative Artificial Intelligence (GenAI) tools you host on your own server — with full control of your data and no per-user cost.

Ollama

★ 175,830

Ollama runs large language models (LLMs) like Llama, Mistral and Gemma locally, on your own hardware, with a single command. It's the foundation for private AI at home: nothing goes to the cloud, no per-token cost, and it works offline.

Generative Artificial Intelligence (GenAI) MIT

Open-WebUI

★ 144,873

Open WebUI is a ChatGPT-like chat interface for LLMs that connects to Ollama or any OpenAI-compatible API. Hosted by you, it becomes a private ChatGPT for your family or team, with history and users under your control.

Generative Artificial Intelligence (GenAI) BSD-3-Clause

LobeHub

★ 79,678

LobeChat (LobeHub) is a modern AI chat interface supporting multiple models, plugins and custom assistants. Hosted by you, it offers a ChatGPT-like experience with your own providers and full conversation privacy.

Generative Artificial Intelligence (GenAI) ⊘ Proprietary

AnythingLLM

★ 63,011

AnythingLLM is a full AI application that chats with your documents (RAG), with agents and multiple models. Self-hosted, it becomes a private AI knowledge base for you or your team.

Generative Artificial Intelligence (GenAI) MIT

LocalAI

★ 47,447

LocalAI runs AI models (text, image, audio) locally, with an API compatible with OpenAI's. Self-hosted, it's a drop-in replacement to run AI without sending data to the cloud or paying per token.

Generative Artificial Intelligence (GenAI) MIT

LibreChat

★ 40,506

LibreChat is a ChatGPT-style chat interface that connects multiple AI providers, with multi-user, search and plugins. Self-hosted, it centralizes LLM access with your data kept private.

Generative Artificial Intelligence (GenAI) MIT

Vane

★ 35,615

AI-powered search engine (alternative to Perplexity AI).

Generative Artificial Intelligence (GenAI) MIT

Khoj

★ 35,585

Khoj is an AI 'second brain' that answers from your documents and the web, with agents and automations. Self-hosted, it keeps your knowledge base and searches completely private.

Generative Artificial Intelligence (GenAI) AGPL-3.0

Onyx Community Edition

★ 30,793

Chat UI that works with any LLM. It comes loaded with advanced features like agents, web search, RAG, MCP, deep research, Connectors to 40+ knowledge sources, and more.

Generative Artificial Intelligence (GenAI) MIT

Local Deep Research

★ 8,689

AI-powered deep research tool with multi-source search (arXiv, PubMed, web), PDF text extraction, and encrypted local storage.

Generative Artificial Intelligence (GenAI) MIT

Agenta

★ 4,279

LLMOps platform for prompt management, LLM evaluation, and observability. Build, evaluate, and monitor production-grade LLM applications with collaborative prompt engineering.

Generative Artificial Intelligence (GenAI) MIT

LLM Harbor

★ 3,127

Containerized LLM toolkit. Run LLM backends, APIs, frontends, and additional services via a concise CLI.

Generative Artificial Intelligence (GenAI) Apache-2.0

LLMKube

★ 163

Kubernetes operator for self-hosted LLM inference with pluggable runtimes (llama.cpp, vLLM, TGI, Ollama, vllm-swift), multi-GPU sharding, NVIDIA CUDA + Apple Silicon Metal support, and OpenAI-compatible API.

Generative Artificial Intelligence (GenAI) Apache-2.0

Frequently asked questions

What are the best self-hosted Generative Artificial Intelligence (GenAI) tools?

Among the 13 options, the most popular include Ollama, Open-WebUI, LobeHub. Compare license, platform and popularity in the list below.

Is there a free open source alternative for Generative Artificial Intelligence (GenAI)?

Yes — all 13 tools on this page are open source and you run them on your own server, with no monthly fee.

Where can I host a Generative Artificial Intelligence (GenAI) app?

On a home server (homelab) or a cheap VPS from ~€4/mo. See the suggestions on this page.