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Home/Categories/AI & Machine Learning/Leon
icon of Leon

Leon

Open source alternative to Muse, Microsoft Copilot, Google Gemini for Workspace and Zapier

  • 17.6K stars
  • MIT
  • Active this week
  • Last commit 2 days ago

Last verified Oct 20, 2026

Build a self-hosted open source personal assistant with voice, text, and automation skills you can run on your own infrastructure.

Visit websiteGitHub17.6K starsDeploy on Hostinger
image of Leon
TL;DR

Leon is an MIT-licensed open source personal assistant that can run locally and be extended with custom skills. It replaces closed assistants for developers who want a voice or text automation layer they can inspect, modify, and host themselves.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who Leon is for#

Developers building private assistant skills

Use Leon to wire personal commands to scripts, APIs, or local workflows without starting from zero.

Skip if:

Skip if you need a consumer assistant with many prebuilt smart-home integrations.

Teams prototyping internal voice automation

Leon can help test assistant workflows before committing to a proprietary platform.

Skip if:

Skip if voice recognition accuracy, uptime, and support must be enterprise-grade immediately.

the problem

The problem it solves#

Most digital assistants are closed services tied to a vendor ecosystem. They can be convenient, but they expose personal commands and automation context to a third party and give developers limited control over how skills work.

Technical users often want a private assistant for local scripts, home workflows, and productivity tasks, but building the speech, intent, and skill framework from scratch is too much work.

how Leon solves it

How it solves it#

Extensible skills model

Leon organizes assistant behavior around skills, letting developers add custom commands and workflows.

Local-first assistant path

The project is designed for users who want more control over where assistant logic and data run.

Voice and text interaction

Supports assistant-style interaction patterns for automating personal or team workflows.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Good fit for developers who want controlLeon is more useful to builders who want to customize assistant behavior than to users looking for a locked consumer device.
  • MIT licensed codebaseThe permissive license lets teams inspect and adapt the assistant framework for private experiments.

Trade-offs

  • -Not a polished consumer assistantLeon requires technical setup and skill development. Siri, Alexa, or Gemini are easier for mainstream users who want ready-made integrations.
tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptPythonTypeScript
Frameworks
React
Runtimes
Node.js
Tooling
esbuild
frequently asked

FAQ#

Is Leon open source?

Yes. Leon is open source under the MIT license.

What is Leon used for?

Leon is used to build a customizable personal assistant with skills for automation, voice, and text workflows.

How does Leon compare to Google Gemini for Workspace?

Gemini for Workspace is a hosted AI assistant integrated into Google products. Leon is an open source assistant framework for developers who want control and customization.

Looking for more

Other ways to replace Muse, Microsoft Copilot, Google Gemini for Workspace and Zapier#

n8n

Featuredfor Zapier

Self-hosted workflow automation with 400+ node connectors

208,117 GitHub starsVisit

OpenClaw

#1 in the Muse guide

Multi-channel personal agent across 29 surfaces

392,969 GitHub stars

Hermes Agent

#2 in the Muse guide

Persistent memory and scheduled tasks across 7 platforms

255,514 GitHub stars

Khoj

#4 in the Muse guide

Research and personal knowledge agent you host yourself

37,768 GitHub stars
All 10 Muse alternatives5 open source Muse alternatives, ranked
by category

Open source tools in these categories#

404

AI & Machine Learning

freeCodeCamp, OpenClaw, REA (Reverse Engineer Anything)191

Business & Productivity

OpenClaw, Excalidraw, RustDesk123

IT Management

RustDesk, Immich, Stirling PDF
Hostinger

Run Leon on your own server

Self-host Leon on a Hostinger VPS.

Deploy on Hostinger

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Omnara

Alternative toCClaude Managed Agents

Open-source agent deployment API. Self-host or use Omnara Cloud.

  • 2,957 GitHub stars
  • Apache-2.0Licence Apache-2.0
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rakazo

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

  • 4,904 GitHub stars
  • Apache-2.0Licence Apache-2.0
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Inbox Zero

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,712 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email
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