SigmaOS

SigmaOS

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Introduction
A smarter way to browse the internet.
Listed on
July 23, 2026
FreeAppAI BrowserAI CopilotAI Search AssistantAI Browser ExtensionsAI Desktop AppsAI Personal AssistantAI Workflow Automation
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What is SigmaOS?

SigmaOS is a macOS web browser designed to enhance productivity and organization. It features vertical tabs, workspaces, split screen, and an AI assistant called Airis that can chat with websites, summarize content, and search the internet. Built with WebKit and SwiftUI, it integrates with Apple Keychain and supports Chrome extensions.

How to use SigmaOS?

  • Download SigmaOS for free from the website and install it on your Mac. It automatically migrates your logins, cookies, and history from your previous browser. Use workspaces to organize tabs, vertical tabs for overview, and keyboard shortcuts like W for new workspace and D for done. Activate Airis by hitting the spacebar for Lazy Search or use the Simplify feature to get summaries.

Core features of SigmaOS

  • Workspaces: Organize tabs into separate lists like rooms in a house
  • Vertical tabs: Display tabs in a to-do list style for better overview
  • Tabs as tasks: Mark tabs as done or lock them for later
  • Split Screen: View two websites side by side
  • Lazy Search: Press spacebar to search tabs, internet, commands, and bookmarks
  • Ask Anything: AI assistant Airis chats with any website and explains paragraphs
  • Look it up: Airis searches the internet and builds starting points for research
  • Simplify: Summarize any website into an interactive summary
  • Magic Theme: Automatically match browser colors to the website
  • Ad Blocker: Built-in ad-free browsing
  • Focus Mode: Hide everything except the current webpage
  • Multiple Logins: Separate profiles for different accounts
  • Single-key Shortcuts: Quick navigation with keyboard shortcuts
  • Command-Hover: Preview links without opening them
  • Autosync: Sync setup across Macs
  • Magic Rename: Automatically rename frequently used tabs
  • Extension Support: Works with Chrome Web Store extensions
  • Page Suspension: Unload unused pages to save RAM

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