Best Open-source AI Personal Assistant Software tools

Cherry Studio

Desktop AI client supporting multiple LLM providers cross-platform

GPT4Free

Unified free access to LLMs and media models

LibreChat

Unified AI chat interface for all major models

Onyx

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

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

OpenWork

Extensible desktop workflow engine for AI‑powered knowledge work

Screenpipe

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

AionUi

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

Chatbox

Desktop AI client for ChatGPT, Claude, and local LLMs

Morphic

AI-powered search engine with generative UI and streaming

Halo

Visual AI desktop companion that brings Claude Code to everyone

Everywhere

Context-aware AI assistant that works wherever you are

BrowserOS

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

AnythingLLM

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

Eigent

Build, manage, and run custom AI agent workforces locally

Jan

Run ChatGPT-style AI models locally with complete privacy

Leon

Open-source personal assistant that lives on your server

AgenticSeek

Fully local AI assistant that browses, codes, and plans

Khoj

Personal AI assistant that learns from your documents

Agent Zero

Dynamic agentic framework that learns, codes, and evolves organically

Refly.AI

Agentic workspace that blends human insight with AI execution

NextChat

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

Open Claude Cowork

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