Scrumblr

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

Simple collaborative Kanban board; two types of notes, coloured by user (eight colours), single (black) font. Not clear how many users possible, no stated data security policy. Looks good but very limited.

Open source, free of charge, no registration needed. Released 2011.

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