Best Open-source AI Personal Assistant Software tools

Refly.AI

Agentic workspace that blends human insight with AI execution

Lobe Chat

Modern ChatGPT/LLM UI with multi-modal support and plugins

Open WebUI

Self‑hosted AI platform with offline LLM, RAG, and extensible UI

Cherry Studio

Desktop AI client supporting multiple LLM providers cross-platform

1Panel

Modern web-based control panel for Linux server management

Onyx

Self‑hosted AI chat UI with agents, RAG, and 40+ connectors

Jan

Run ChatGPT-style AI models locally with complete privacy

LibreChat

Unified AI chat interface for all major models

BrowserOS

AI‑powered Chromium browser that runs agents locally, privacy‑first

GPT4Free

Unified free access to LLMs and media models

Khoj

Personal AI assistant that learns from your documents

Chatbox

Desktop AI client for ChatGPT, Claude, and local LLMs

AnythingLLM

All-in-one AI app for chatting with your documents

Agent Zero

Dynamic agentic framework that learns, codes, and evolves organically

Morphic

AI-powered search engine with generative UI and streaming

Leon

Open-source personal assistant that lives on your server

NextChat

Lightweight AI assistant supporting Claude, GPT-4, and Gemini

ChuanhuChatGPT

Lightweight web UI for ChatGPT and multiple LLMs

Farfalle

Self-hosted AI search engine with local and cloud LLMs

OpenAssistant

Open-source chat assistant built through collaborative human feedback