OnlineTED

Tool type:
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

Survey/quiz tool focused on universities. Multiple choice, Likert scale, and freetext questions.

Private provider, GDPR-conform, no login needed for students, pre-paid version available for TUM staff (see instructions here).

presentations with 10 questions and 100 participants, 3 homeworks with 250 participants.
€59/year
600 participants at presentations, unlimited homeworks, branding, extra question types.