Sentient OS
Sentient OS is a Mac app that drafts replies and handles chores in your own apps for people who want help with everyday computer work.
What it is good for
- Drafting email and message replies in your own voice
- Filling out forms and applications in your browser
- Catching loose ends and follow-ups before deadlines
- Preparing expense reports from scattered receipts
At a glance
- Who it is for
- Setup
- Install a desktop app or browser extension
Level 3 of 5. Download and install it like any other app or extension.
- Cost
- Free and open source
- Type
- Agent app
- Tasks
- Works with
- Gmail, Slack, iMessage, Claude
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 691
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Sentient OS free?
- Yes. It is free and open source (AGPL-3.0 license).
- Do I need to know how to code to use Sentient OS?
- No. Download and install it like any other app or extension.
- What does Sentient OS work with?
- According to its own documentation, it works with Gmail, Slack, iMessage, and Claude.
- What is Sentient OS good for?
- Drafting email and message replies in your own voice, filling out forms and applications in your browser, catching loose ends and follow-ups before deadlines, and preparing expense reports from scattered receipts.
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