SOFTWARE LICENSE GUIDE
Obsidian
Obsidian is a powerful knowledge base that works on local Markdown files. It helps users organize notes, link ideas, and build a personal knowledge graph.
What it does
It allows users to create, link, and manage notes using Markdown, offering features like graph view, backlinks, and a plugin ecosystem for customization and extended functionality.
Who it may suit
Students, researchers, writers, and professionals who need a robust tool for personal knowledge management, note-taking, and idea organization.
Free tier and license
Free for personal and educational use.
Limitations to check
Requires a paid commercial license if used for work-related activities in revenue-generating organizations.
Licensing notes
Obsidian is free for personal and educational use. A paid commercial license is required if used for work-related activities in revenue-generating organizations.
Verification details
Last licensing verification recorded: 2026-10-28.
Directory record last updated: 2026-08-17. These are separate dates: a record update does not necessarily mean the publisher's terms changed.
AI-assisted summaries may be incomplete or outdated. Confirm licensing, pricing, and commercial-use rights in the official sources before making a business decision.
Frequently asked questions
Can I use Obsidian for my business?
If you are using Obsidian for work-related activities in a revenue-generating organization, a paid commercial license is required. It is free for personal and educational use.
Does Obsidian store my notes online?
Obsidian works on local Markdown files, giving you full control over your data. Optional paid services like Obsidian Sync can synchronize notes across devices.
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