Productivity
Obsidian
AI-enhanced knowledge base for organizing linked notes and research.
note-taking
PKM
second brain
markdown
knowledge management
About Obsidian
Obsidian is a powerful note-taking and personal knowledge base app that stores your notes as plain Markdown files on your own device. Because your notes are just local files, they are private, fast and yours forever, even without an internet connection.
Obsidian's core idea is linking: you connect notes with links and see how ideas relate in a visual graph view, which makes it popular for research, writing, studying and building a "second brain". Thousands of community plugins and themes extend it, including AI plugins that let you chat with your notes, summarise or generate text using models like ChatGPT or local models. Canvas offers an infinite board for visual thinking.
Good fit if you: want a private, flexible, future-proof notes system you can customise deeply.
Less ideal if you: want real-time team collaboration out of the box; Obsidian is mainly built for individuals.
Pricing: free for personal use; optional paid Sync and Publish add-ons and a commercial licence.
Obsidian's core idea is linking: you connect notes with links and see how ideas relate in a visual graph view, which makes it popular for research, writing, studying and building a "second brain". Thousands of community plugins and themes extend it, including AI plugins that let you chat with your notes, summarise or generate text using models like ChatGPT or local models. Canvas offers an infinite board for visual thinking.
Good fit if you: want a private, flexible, future-proof notes system you can customise deeply.
Less ideal if you: want real-time team collaboration out of the box; Obsidian is mainly built for individuals.
Pricing: free for personal use; optional paid Sync and Publish add-ons and a commercial licence.
Frequently Asked Questions
Is Obsidian free?
Yes. Obsidian is free for personal use. Sync, Publish and commercial licences are paid.
Does Obsidian have AI?
Not built in, but many community plugins add AI features such as chatting with your notes.
Where does Obsidian store my notes?
Your notes are stored as plain Markdown files on your own device.
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