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Obsidian

The second brain. A powerful, markdown-based knowledge base for thinkers and connector of ideas.

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Price Free (Personal)
Rating 4.9/5.0
Platforms iOS, Android, Mac, Windows, Linux

Key Features

  • Markdown Support
  • Bi-directional Linking
  • Local Files
  • Canvas (Visual Boards)
  • Community Plugins
  • Daily Note Core Plugin

Obsidian: Build Your Second Brain

Obsidian treats your journal entries not as isolated pages, but as nodes in a network of your life. By linking your “Daily Note” to projects, books you’re reading, or people you met, you create a web of context.

Key Highlights

  • Daily Notes: A core plugin creates a new file for every day automatically.
  • Linking: Type [[Project A]] in your journal to instantly link that day to your project file.
  • Ownership: All data is stored as plain text Markdown files on your computer. You own it forever.
  • Customization: Thousands of community plugins allow you to add calendars, trackers, and kanban boards to your journal.

Who is it for?

Obsidian is for thinkers, developers, and knowledge workers. If you want your journal to be an integrated part of your work and learning rather than a separate silo, Obsidian is the ultimate tool.