Best Open-source AI Personal Assistant Software tools

Onyx

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

Cherry Studio

Desktop AI client supporting multiple LLM providers cross-platform

OpenWork

Extensible desktop workflow engine for AI‑powered knowledge work

Screenpipe

24/7 local screen and audio capture with AI-powered search

LibreChat

Unified AI chat interface for all major models

BrowserOS

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

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

Agent Zero

Dynamic agentic framework that learns, codes, and evolves organically

AionUi

Unified desktop UI for multi-model AI command-line tools

Eigent

Build, manage, and run custom AI agent workforces locally

Jan

Run ChatGPT-style AI models locally with complete privacy

Halo

Visual AI desktop companion that brings Claude Code to everyone

Everywhere

Context-aware AI assistant that works wherever you are

Leon

Open-source personal assistant that lives on your server

AnythingLLM

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

GPT4Free

Unified free access to LLMs and media models

Morphic

AI-powered search engine with generative UI and streaming

AgenticSeek

Fully local AI assistant that browses, codes, and plans

NextChat

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

Khoj

Personal AI assistant that learns from your documents

Chatbox

Desktop AI client for ChatGPT, Claude, and local LLMs

Open Claude Cowork

Desktop AI chat with Claude, Opencode, and 500+ tools

ChuanhuChatGPT

Lightweight web UI for ChatGPT and multiple LLMs