BookStack vs Obsidian

BookStack is a self-hosted wiki focused on documentation, whereas Obsidian is a desktop-first personal knowledge base.

Which to pick

Local-first markdown knowledge base
Integrations with Obsidian Sync or Obsidian Publish (on Obsidian's list, not BookStack's)

What it is: BookStack:BookStack is a self-hosted, open-source wiki platform for organizing and storing documentation.; Obsidian:Obsidian is a free, local-first Markdown note-taking app that lets you build a personal knowledge base.
Best for: BookStack:Self-hosted documentation wiki; Obsidian:Local-first markdown knowledge base
Who it’s for: BookStack:Teams needing an on-premise knowledge base or internal wiki.; Obsidian:Individuals and teams who want private, offline-first note taking and knowledge management.
Pricing: BookStack:Free; Obsidian:Freemium
Plans: BookStack:—; Obsidian:Sync $4USD per user, per month, billed an · Sync $5USD per user, per month, billed mo · Publish $8USD per site, per month, billed an · Publish $10USD per site, per month, billed mo · Catalyst $25USD one-time
Open source: BookStack:Yes, 19,072 GitHub stars; Obsidian:—
Works with: BookStack:PHP, Laravel, MySQL, OIDC, SAML2, LDAP, diagrams.net, Markdown; Obsidian:Markdown, Obsidian Sync, Obsidian Publish

Simple WYSIWYG editor. Edit pages with a clean visual interface and optional Markdown with live preview.
Hierarchical organization. Structure content into Books, Chapters and Pages for easy navigation.
Full-text search & linking. Search across all content and link directly to any paragraph.
Built-in diagrams.net. Create and embed diagrams directly in the page editor.
Role-based permissions & MFA. Control access with roles, permissions, and multi-factor authentication.
Multi-language UI. Interface available in many languages including EN, FR, DE, ES, IT, JA, NL, PL, RU.
External auth integrations. Supports OIDC, SAML2, LDAP and social logins for enterprise environments.
Dark & light themes. Switch between UI themes per user preference.

Local Markdown files. Notes are stored as plain-text Markdown files on your device, giving you full ownership.
Bidirectional linking. Create links between notes to build a personal wiki and see connections in a graph view.
Canvas workspace. An infinite canvas for brainstorming, diagramming and visual research.
Extensible plugins. Thousands of community plugins and an open API let you customize the app to fit any workflow.
Obsidian Sync. End-to-end encrypted sync across devices with version history and selective file sync.
Obsidian Publish. Turn a vault into a fast, SEO-friendly public website or digital garden with custom themes.
Collaboration. Shared vaults let multiple users edit notes together while keeping data private.

Is BookStack or Obsidian free?+

BookStack is free. Obsidian has a free plan and paid plans.

Is BookStack or Obsidian open source?+

BookStack is open source (BookStackApp/BookStack on GitHub, MIT license). DevHunt has no public source repository on record for Obsidian.

Do BookStack and Obsidian integrate with the same tools?+

Partly. Both list Markdown. BookStack also lists PHP, Laravel, MySQL, OIDC and 3 more; Obsidian also lists Obsidian Sync and Obsidian Publish.

BookStack

Listed by DevHunt

Obsidian

Listed by DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.