WBO

Question1: List all options but differentiate present/absent (e.g., green/red -- but better colorblind alternative; like first option)? OR only list the present options (like second version)?
Question2: Just list the options (like first version) or make them links to collection of all those that have the option (like second version)?
Rights: GDPRno registrationopen sourcerecommendedsufficiently freeTUM

Collaborative whiteboard software. Basic writing and drawing tools: Ellipses, rectangles, lines of various thickness; one font, ten colours. Generate private boards with UUID in URL, or with (guessable) chosen name; self-hosted or use the demo server (with no data-retention nor -protection policy described, hence not GDPR-compliant).

Open source, free of charge, no registration needed. Released 2020.

unlimited
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