Obsidian — Markdown knowledge base with linking and graph view — your notes stay as plain local files
What it is
Obsidian is a markdown knowledge base that stores notes as plain files on your device and links them into a graph. It is free for personal use, works offline, and has a large community plugin ecosystem. Sync and publishing across devices are paid add-ons, and plugin quality varies since most are community-built.
Editor's review
Long-form introduction by the BetterPicker editors · checked against the official site · Oct 8, 2026
Obsidian is the notes app for people who want their thinking to outlive any company. It stores plain Markdown files in local folders you own, the app is free for personal use, and a plugin ecosystem stretches it from daily journal to academic zettelkasten to personal wiki. Sync and publishing are paid add-ons rather than bundled subscriptions, and the current release line is v1.14. The core is closed source, but the file format keeps you free. It rewards tinkerers and long-horizon writers, and it asks patience of anyone who wants collaboration or a finished structure on day one.
What it does well
Your notes are files, not hostages. Everything is plain Markdown in folders on your own disk, readable by any editor ten years from now without an export project. The site states it directly: open file formats, never locked in, your data for the long term. That promise is the reason people commit years of notes to it, and it holds.
The plugin ecosystem is the second product. Community plugins add spaced repetition, task boards, advanced tables, calendar views, and hundreds of niche workflows, while themes reshape the whole interface. It behaves like a platform that grows into whatever system you practice, from simple journals to full research pipelines.
Linking changes how you write. Backlinks, the graph view, and unlinked mentions make connections visible across hundreds of notes, which suits research, fiction worlds, and long-running work journals. Ideas accrue value instead of drowning in folders, and the canvas view gives spatial thinkers a place to lay everything out.
Who it's for
Students, researchers, writers, engineers, and personal-knowledge enthusiasts are the core audience, especially anyone who keeps notes for years and dreads lock-in. It fits people happy to assemble their own system from plugins, templates, and a little trial and error. It fits poorly for teams that need real-time collaborative documents with permissions and commenting, or for people who want one fixed structure handed to them on day one.
Where it falls short
Collaboration is not the point. Shared vaults exist through the paid Sync service, but there is nothing like live co-editing or comment threads on paragraphs. Workshops and workplaces that live inside shared documents will find the model constraining rather than liberating.
Sync and publishing cost extra. The app is free, yet multi-device sync runs $4 per user monthly on yearly billing and publishing sites run $8 per site, so the real multi-device setup is still a subscription, however lean. Third-party sync workarounds exist but carry real risk.
Plugin quality varies. The ecosystem's freedom means some plugins are abandoned or buggy, updates can clash with each other, and troubleshooting lands on you. Core plugins are solid, but a heavily extended setup needs curation the way a garden needs weeding.
Specs at a glance
Facts from the official site · not editorial opinion
| License | Proprietary app, free for personal use |
|---|---|
| Price | Free app; Sync $4 per user monthly (annual); Publish $8 per site monthly (annual); Catalyst $25 one-time |
| Latest release | v1.14.4 (October 2026) |
| Platforms | Windows, macOS, Linux, iOS, Android |
| Open source | No; open Markdown file format |
| File format | Plain Markdown files in local folders |
| Commercial use | Free to use; optional commercial license encouraged for organizations |
Frequently asked questions
▸What is Obsidian?
Obsidian is a notes and knowledge-base app that stores your writing as plain Markdown files on your own device. It adds linking, backlinks, a graph view, and a large plugin ecosystem on top, which turns a folder of notes into a connected, searchable personal wiki.
▸Is Obsidian free?
The app itself is free for personal use with no account required. Optional paid services include Sync at $4 per user monthly on yearly billing, Publish at $8 per site, and a one-time Catalyst license that funds development and grants early beta access.
▸Where are my notes stored?
In folders of plain Markdown files on your device, readable by any text editor. Nothing is required to live in a cloud. If you stop paying for anything or the company disappears, your notes open exactly as they are today.
▸Obsidian or Notion?
Obsidian wins on local files, speed, privacy, and longevity of the format; Notion wins on collaboration, databases, and shared workspaces. Writers and researchers who own their notes prefer Obsidian; teams coordinating work in one place prefer Notion.
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