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Sentient OS

Sentient OS is an open-source personal AI for Mac that builds context from selected life and work sources, keeps knowledge in Markdown files, and uses that context to prepare tasks through computer use or draft replies for review.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Sentient OS — OpenViST project profile in Workflow Agents.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when a task depends on details scattered across selected sources, local files or the screen, or when a reply needs context before it can be drafted.

Who it is for

  • Mac users who want contextual help with routine work in their existing apps.
  • People who want reply drafts informed by conversation context and their own writing examples.
  • Users interested in a local-first personal knowledge system based on Markdown files.

Documented uses

  • Prepare replies in email, Slack or iMessage using relevant context.
  • Fill forms and applications in the user's browser.
  • Prepare expense reports and attach matching receipts.
  • Carry meeting decisions into CRM updates or follow-up drafts.
  • Hand off a computer task while continuing to use the Mac.
Before you choose

Requirements & limits

The README specifies Apple silicon M1 or newer, macOS 15.4+, 8 GB RAM for the built-in model and about 10 GB of free space for initial setup. It documents a Homebrew cask installation. Any selected AI provider charges are separate.

  • Sidekick uses its own cursor to click, type, attach files and move between windows while the user keeps using the computer.
  • Double Tap drafts from the on-screen conversation, user knowledge and one-time writing examples; the draft stays unsent.
  • High-volume understanding runs on the Mac, and users can choose the model; a compatible local model can handle the rest of inference.
  • The project is written in Swift and licensed under AGPL-3.0.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Sentient OS with Homebrew

Set up Sentient OS on a Mac using the documented Homebrew cask installation command.

Before you start

  • Apple silicon Mac, M1 or newer
  • macOS 15.4 or later
  • 8 GB RAM for the built-in model
  • About 10 GB of free space for initial setup
  • Homebrew

Steps

  1. Open Terminal on the Mac.

  2. Run brew install --cask sentient-os-labs/tap/sentient-os.

  3. Allow for the initial setup space specified in the README.

Expected outcome

The documented Homebrew installation path is used to install Sentient OS on a supported Mac.

Guide limitations

  • Charges from a chosen AI provider, if any, are separate.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
14 October 2026
Original website title
Sentient-OS-Labs/sentient-os · Official homepage title · retained in its source language
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