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WBO vs Ziteboard: catalog facts
WBO	Ziteboard
Free Free and open source under the AGPL-3.0 licence.	Free Drawing can start straight from the homepage; the page excerpt does not detail paid plans.
Web, Self-hosted	Android, Web
Real-time drawing for many simultaneous users Board state is persisted automatically	Infinite zoomable canvas Real-time collaboration on any device
Freehand whiteboard rather than a structured diagram editor Self-hosting needs a server with Docker or Node.js	Pricing and plan limits are not clear from the homepage Browser-based, so it depends on a network connection
Web application, Self-hosted	Downloadable app, Web application
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.