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BrainOS — an AI that has actually read your second brain

An AI that has actually read your second brain

trybrainos.app Productivity & Personal Tools Listed Aug 21, 2026
Global rank#473
Category rank#33
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The short version

What is BrainOS — an AI that has actually read your second brain?

BrainOS is a desktop application for macOS and Windows that manages mind maps, notes, todos, habits, bookmarks, and projects locally on the user's machine. It includes an AI assistant named Jarvis, an App Studio for creating custom tools, and an LLM Council for decision-making. The software operates on a local SQLite database and markdown files, requiring no cloud account or subscription.

What makes it different

Operates entirely on the user's local machine with no cloud account or sync service, utilizing a one-time payment model for all future updates.

Product capabilities

Key features

  • Mind maps
  • Notes
  • Todos
  • Habits
  • Bookmarks
  • Project manager
  • Learning planner
  • App Studio
  • Jarvis AI assistant
  • LLM Council

Ways to use it

Use cases

  • Managing personal knowledge
  • Task management
  • Habit tracking
  • Project management
  • Learning planning
  • Building custom mini-apps

At a glance

Strengths & considerations

Strengths

  • Local data storage
  • No subscription required
  • One-time payment model
  • Works offline for non-AI features
  • Data portability via Markdown and SQLite
  • Supports multiple AI providers

Things to consider

  • Requires user-provided AI API keys or existing subscriptions
  • Requires macOS 12+ or Windows 10+
  • AI features require an internet connection
  • Linux is not currently supported

Plan information

Pricing

Modelpaid
Starting price$49

One-time payment of $49 for the app and all future updates.

Free access

7-day free trial with all features enabled; becomes read-only after the trial ends.

Prices and plans can change. Confirm current terms on the official pricing page before purchasing.

Compatibility & availability

Technical details

Integrations

ClaudeChatGPTOpenAIGeminiGrokZ.aiGLMQwenKimiDeepSeekClaude CodeClaude DesktopCursorClineWindsurfZedOpenClawHermesAgent PlusGoose

Platforms & channels

macOS 12+ (Apple Silicon or Intel)Windows 10+

Quick answers

BrainOS — an AI that has actually read your second brain FAQ

What happens when the free trial ends?

BrainOS becomes read-only. All data remains accessible, but editing pauses until a license key is entered.

Does BrainOS work offline?

Yes, maps, notes, todos, habits, projects, learning plans, and search are local and work offline. Only AI features require a network connection.

Where is my data stored?

Data is stored in a SQLite file and a folder of markdown and JSON on your own disk, in a location you choose.

Can I use my existing Obsidian vault?

Yes, you can point BrainOS at your vault folder to import notes and preserve links.

Explore nearby ideas

Tags

ProductivityAILocal-firstMarkdownKnowledge Management

Research trail

Official sources

These pages were used for the factual profile above. They may change after the research date.

  1. Official website

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