Top use cases
Build a knowledge base
Link notes together and explore how they relate in graph view.
Brainstorm on a canvas
Map out ideas and diagrams on a canvas.
Publish a wiki
Publish your notes as an online wiki with a custom domain and password protection using Publish.
Obsidian FAQs
What is Obsidian?
Obsidian is a free, private notes app that keeps your notes as Markdown files on your device. Obsidian keeps your notes as plain-text Markdown files on your device. You can link notes, view them in a graph and extend the app with community plugins.
Is Obsidian free?
Yes, Obsidian has a free plan: free without limits, no sign-up needed. Paid pricing: Sync at $4 per user a month (billed yearly).
How much does Obsidian cost in India?
Obsidian pricing: Sync at $4 per user a month (billed yearly). Prices on the official site are in US dollars. Prices can change, so check obsidian.md for the latest pricing.
What is Obsidian best for?
Obsidian is best for private knowledge building. People use it to build a knowledge base, brainstorm on a canvas and publish a wiki.
How to build a knowledge base with Obsidian?
With Obsidian, you can link notes together and explore how they relate in graph view.
How to brainstorm on a canvas with Obsidian?
With Obsidian, you can map out ideas and diagrams on a canvas.
How to publish a wiki with Obsidian?
With Obsidian, you can publish your notes as an online wiki with a custom domain and password protection using Publish.
What are the best Obsidian alternatives?
Popular alternatives in Note Taking include Gemini Notebook, Craft, Zoho Notebook and Capacities. Each has its own free plan and price, so compare them on the tool pages.
Where can I sign up for Obsidian?
On its official website, obsidian.md. You can start on the free plan.
When were Obsidian's price and features last checked?
We checked them on the official site on 3 November 2026. Plans change often, so confirm the latest price on obsidian.md before you pay.