Open source AI & LLM tools

28 open-source tools in this category.

Showing 6 results in AI Chat Interfaces

Open WebUI

Open WebUI

Self-hosted AI interface — Ollama, OpenAI-compatible, RAG built-in.

BSD-3-Clause alternative to ChatGPT with multi-model support, code execution, file upload, and RBAC. Single Docker command to deploy.

aichatui
139.6K20KBSD-3-Clause
vs ChatGPT
LobeChat

LobeChat

Open-source AI chat — plugin ecosystem, multi-model, voice chat.

Apache-2.0 alternative to ChatGPT with GPT-4, Claude, Gemini, and Ollama support. Material Design UI, DALL-E/Flux image generation, and TTS/STT.

aichatagents
78.1K15.4KApache-2.0
vs ChatGPT
AnythingLLM

AnythingLLM

All-in-one AI app — chat with documents using any LLM, fully private.

MIT-licensed platform for multi-LLM document chat, AI agents, and multi-user workspaces. Desktop apps for Mac, Windows, Linux with LanceDB, Chroma, or Qdrant backends.

airagchat
60.9K6.6KMIT
vs ChatGPT
Cherry Studio

Cherry Studio

Multi-model AI desktop client — local-first privacy, native apps.

AGPL-3.0 desktop client for GPT-4, Claude, Gemini, DeepSeek, and Ollama. Beautiful native UI with conversation management and model comparison.

aidesktopchat
46.7K4.4KAGPL-3.0
vs ChatGPT
Jan

Jan

Offline AI assistant — run LLMs locally, no data leaves your machine.

Apache-2.0 desktop app for Llama, Mistral, Gemma models in GGUF format. Native Mac, Windows, Linux with conversation history and code highlighting.

ailocalprivacy
42.8K2.9KApache-2.0
vs Ollama
FastGPT

FastGPT

AI knowledge base platform — visual workflows and built-in RAG.

Apache-2.0 alternative to Dify with drag-and-drop workflow builder, document ingestion, and one-click API deployment. MongoDB + PostgreSQL backend.

airagknowledge-base
28.2K7.1KApache-2.0
vs ChatGPT