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About

Leon is an open source personal assistant you can self-host on your own server, designed to act like a virtual brain that does things when you ask it to by leveraging AI concepts such as natural language processing, speech-to-text, and text-to-speech. It lets you interact via text or voice and can even operate offline to keep your data private and under your control, since Leon runs where you choose rather than in the cloud. Built with a modular, skills-based architecture on Node.js and Python, Leon gives users the flexibility to create, install, and share custom modules to extend its functionality for a wide range of tasks and workflows. There’s no hard limit on what you can automate beyond your own imagination. Its modular structure lets contributors and developers build and integrate new capabilities easily, encouraging community growth and customization.

About

Tab is a text-based AI assistant for people who want to delegate everyday tasks. Users send requests and files through Messages or WhatsApp, and Tab can use a browser and connected accounts to carry out multi-step jobs. It can research and book travel, call businesses, create or transform documents and media, and help with purchases after the user approves the payment. The assistant reports progress and returns results in the same conversation, remembers context across tasks, and handles reminders and follow-ups. It accepts text, photos, screenshots, PDFs, and videos; group chats can have their own Tab with private details kept outside the group. Account access uses a verified mobile number. Tab is presented as a private beta with a sign-up waitlist.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Audience

Developers, privacy advocates, and tech enthusiasts who want an AI personal assistant that runs on their own server to automate tasks and interact with them using natural language

Audience

Individuals who want to delegate personal and work-related errands, research, communications, and digital tasks through messaging.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
design 5.0 / 5

Pros & Cons from Real Users

Pros

  • What I like most is how little friction there is. I can just text Tab the same way I would text an assistant and ask it to actually get something done instead of giving me a list of instructions. The computer-use side is where it gets really useful. Tab can open websites, work with connected accounts, create files, make phone calls, and keep working after I leave the conversation. That makes it useful for things like reservations, travel changes, purchases, research, and random admin tasks that normally eat up time. I also like the payment approval flow. Tab can prepare a purchase or booking, but I still see the exact amount and recipient before anything gets paid.

Cons

  • The main downside is that I would still be careful about how much access I give it. Tab has clearly thought about security — credentials and payment details are kept outside the normal AI context, and uncertain actions are supposed to stop rather than repeat automatically — but an agent this capable still deserves supervision.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Leon
United States
getleon.ai/

Company Information

Tab
Founded: 2026
United States
tab.bot/

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Categories

Agentic AI Supported
AI Agents Supported
AI Assistants Supported

Categories

AI Agents Supported
AI Assistants Supported

Integrations

Amazon Web Services (AWS) Supported
GitHub Not Supported
Gmail Not Supported
Google Calendar Not Supported
Google Cloud Platform Supported
IBM Watson Supported
Linear Not Supported
Node.js Supported
Notion Not Supported
Python Supported
Slack Not Supported
Vercel Supported
WhatsApp Not Supported
iMessage Not Supported

Integrations

Amazon Web Services (AWS) Not Supported
GitHub Supported
Gmail Supported
Google Calendar Supported
Google Cloud Platform Not Supported
IBM Watson Not Supported
Linear Supported
Node.js Not Supported
Notion Supported
Python Not Supported
Slack Supported
Vercel Not Supported
WhatsApp Supported
iMessage Supported
Claim Leon and update features and information
Claim Leon and update features and information
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