Collaborative whiteboard in Nextcloud
Open Source
E2E Encrypted
Zero Knowledge
Excalidraw
Virtual whiteboard with E2E encryption option
Open Source
E2E Encrypted
Zero Knowledge
Self-Hostable
No Logs
Free / $7/user/mo
Basic use free forever. Excalidraw+ for teams from $7/user/month.
Quick Specs
| Open Source | ✓ Yes View code |
|---|---|
| E2E Encrypted | ✓ Yes |
| Zero Knowledge | ✓ Yes |
| Self-Hostable | ✓ Yes |
| No Logs Policy | ✓ Yes |
| Audited | ✗ No |
| Jurisdiction | International |
| Pricing | Freemium |
About Excalidraw
Hand-drawn style whiteboard for diagrams, wireframes, and brainstorming. Real-time collaboration. End-to-end encryption available. Can be self-hosted. Files are simple JSON you can store anywhere.
Best For
Teams needing visual collaboration with privacy
Security Considerations
A tool is only as effective as its implementation. Consider these factors:
- Configuration matters: Default settings may not match your threat model. Review security options carefully.
- Training is essential: Tools protect nothing if your team doesn't use them correctly or consistently.
- Integration points: Consider how this tool connects with your existing systems and what data flows between them.
- Continuity planning: Ensure you have backup access methods and know the recovery process.
Need help implementing this securely? Take our free assessment or book a discovery call.