Brainio is unclaimed —

Brainio

The notepad for people thinking visually·brainio.com

Brainio combines rich-text notes with visual mind maps. Users write Markdown-powered notes and can switch to a mind map view to see how ideas connect. It supports linked documents with bidirectional backlinks, real-time collaboration with live cursors, and export to PNG, PDF, Markdown, or plain text. It is available as native desktop apps for macOS, Windows, and Linux, and as a web app.

What it's for

Summarize my workspace this weekFind every note about onboardingDraft a follow-up from yesterday's meetingAdd three branches to my product map

Features 16

Built-in MCP server with 17 tools for AI assistant integration
Doodle hand-drawn annotations on notes and mind maps
Export as PNG, PDF, Markdown, or plain text
Folders with custom colors and 200+ icons
Indentation-based mind map structure (Tab/Shift+Tab)
Inline image and file uploads
Knowledge graph showing document connections
Linked documents with bidirectional backlinks
Markdown-powered rich text editor
Native desktop apps for macOS, Windows, and Linux with automatic updates
Owner/Editor/Viewer permission levels
Public read-only link sharing
Real-time collaboration with live cursors
Split view combining text and mind map
Task lists, code blocks, blockquotes, six highlight colors
Visual mind map view toggled from text

At a glance

free tierself-hostableAPI

TypeDesktop app

DeploymentHybrid

PlatformsWeb, macOS, Windows, Linux

CompanyApoco

Integrations

ClaudeChatGPTCursorWindsurf

Resources

Pricing

Brainio was previously a paid product with monthly/yearly plans; it is now completely free and the paid plan has been removed.

FreeFree

Previously had monthly/yearly paid plans; the paid plan has been removed entirely and existing subscriptions' auto-renewal has been disabled.

No document limits, no paywalls, no hidden fees