Obsidian vs Anchor
Anchor is a credible open-source, self-hosted alternative for offline notes, cross-device sync, basic sharing, and centralized user administration. Choose Anchor if source availability, Docker hosting, OIDC, and admin-controlled registration matter most. Choose Obsidian if the priority is a mature connected-note vault with graph exploration, documented end-to-end encrypted sync, real-time shared-vault updates, or web
Decision guide
The practical reasons to choose either option, based on documented capabilities.
Choose Anchor if
- Individuals wanting offline notes that sync through a self-hosted service
- Organizations needing an admin panel, registration controls, and OIDC authentication
- Android and web users who need rich-text notes, tags, attachments, search, and basic viewer/editor sharing
Stay with Obsidian if
- You rely on graph-based exploration of linked notes; Anchor documents tags and search but not a note graph or backlinks
- You require documented AES-256 end-to-end encrypted synchronization; Anchor documents automatic sync but does not specify end-to-end encryption
- You need simultaneous real-time collaboration; Anchor lists it only as a future planned feature knowledge publishing with custom domains; no equivalent publishing feature is documented for Anchor
Deployment and operations
Anchor is AGPL-3.0 software that can be self-hosted from a prebuilt container or built from source with Docker Compose. Its default container exposes port 3000 and persists data under /data; external PostgreSQL is optional because an embedded option is supported. Android APKs are distributed through GitHub Releases. Operators are responsible for hosting and upgrades. The documented next image is pre-release, may introduce breaking changes, and should not be used in production; backups are
Migration considerations
Anchor can export and re-import its full library and import notes from Google Keep. The supplied documentation does not describe direct Obsidian vault import, Markdown-folder compatibility, or preservation of Obsidian links, metadata, attachments, or plugins, so an Obsidian migration path is unverified.
Feature fit
What Anchor covers
- Local note storage
- Offline note editing
- Cross-device synchronization
- Title and content search
- Note sharing
- Mobile and web access
What’s different or missing
- Documented note graph and backlinks
- Documented end-to-end encrypted sync
- Current real-time collaboration
- Hosted web publishing
- Documented Obsidian vault import
Project snapshot
- GitHub stars
- 1,222
- Contributors
- 3
- Language
- TypeScript
- Last commit
- Aug 8, 2026
- Latest release
- Aug 7, 2026
Categories: Document Collaboration, Knowledge Management, Note Taking, File Sync & Storage, Calendars & Scheduling, Task Management
Sources and editorial review14 linked sources
Public documentation supports this comparison. Automation assists collection and classification; editorial standards and corrections remain the responsibility of Kris.
Offline first, self hostable note taking application
repository description · github.comNotes are stored locally, editable offline, and synced across devices when online.
readme · github.comSearch - Search notes locally by title or content
readme · github.comNote Sharing - Share notes with other users (viewer or editor)
readme · github.com### Web App
readme · github.com### Mobile App
readme · github.com## Self Hosting With Docker
readme · github.comAnchor focuses on speed, privacy, simplicity, and reliability across mobile and web. Notes are stored locally, editable offline, and synced across devices when online.
verdict · github.com- **Admin Panel** - User management, registration control, and system statistics - **OIDC Authentication** - Sign in with OpenID Connect providers (Pocket ID, Authelia, Keycloak, etc.)
best for · github.comThis project is licensed under the GNU Affero General Public License v3.0 (AGPL v3) - see the [LICENSE](LICENSE) file for details.
deployment · github.com### Option 1: Using Pre-built Image (Recommended)
deployment · github.com## Roadmap Future planned features: - Reminders and notifications - Real-time collaboration
consider original · github.com- **Import & Export** - Export your full library, and import it back or bring notes in from Google Keep
migration · github.com- **Search** - Search notes locally by title or content - **Trash** - Soft delete notes with recovery period - **Automatic Sync** - Sync changes across devices when online
shared feature · github.com
