Obsidian

A second brain, for you, forever.

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Overview

Obsidian is a personal knowledge management and note-taking software application that operates on Markdown files. It allows users to create internal links for notes and then to visualize the connections as a graph. It is designed to help users organize and structure their thoughts and knowledge in a flexible, non-linear way.

✨ Key Features

  • Local-first, plain text (Markdown) files
  • Bi-directional linking and graph view
  • Highly extensible with community plugins
  • Customizable interface with themes and CSS
  • Command palette for quick access to functions
  • Cross-platform availability

🎯 Key Differentiators

  • Local-first and plain text-based, giving users full control over their data
  • Highly extensible and customizable through plugins and themes
  • Free for personal use

Unique Value: A second brain that you own and control, built on top of local, plain text files.

🎯 Use Cases (5)

Personal knowledge management (PKM) Building a 'second brain' or Zettelkasten Research and academic writing Technical documentation World-building and creative writing

✅ Best For

  • Connecting ideas and building linked study notes.
  • Creating a personal wiki for research.
  • Managing complex projects with interconnected notes.

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Users who need real-time collaboration.
  • Beginners looking for a simple, out-of-the-box note-taking app.

🏆 Alternatives

Roam Research Logseq Notion

Offers more privacy, control, and customizability than cloud-based note-taking apps.

💻 Platforms

Windows macOS Linux iOS Android

✅ Offline Mode Available

🔌 Integrations

Zotero Readwise Anki Many more via community plugins

🛟 Support Options

  • ✓ Email Support
  • ✓ Dedicated Support (Commercial tier)

🔒 Compliance & Security

✓ GDPR ✓ GDPR

💰 Pricing

$10.00/mo
Free Tier Available

Free tier: The core app is free for personal use.

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