What SigmaOS is
SigmaOS rebuilds browsing around workspaces: tabs live in organised spaces, lock into place, and Airis summarises and answers questions about what you read.
What you can do with it
- Sort browsing into project workspaces
- Lock tabs you keep returning to
- Summarise pages with Airis
- Search across your browsing quickly
- Keep research organised
Who it is for
- Project-based workers
- Users drowning in tabs
- Researchers needing structure
What to watch out for
- The workspace model differs from mainstream browsers; adjustment required
- macOS focus limits platform availability; check current support
- Airis reads page content; review data policies
- Feature changes have been frequent historically
Pros & cons
✓ What we like
- Genuine organisational innovation
- Airis adds page-context AI
- Keyboard-friendly design
! What to watch out for
- Learning curve
- Platform limitations
- AI data policy questions
FAQ
Is it Chrome based?
It has historically used Chromium foundations; check current details.
Is it free?
Free access is described; confirm tier limits.
Can I import from Chrome?
Import support exists; extensions compatibility should be verified.
Last reviewed: 2026-09-19
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