- Live chat
- Quiz/ survey
Commercial provider, no registration needed for participants. Since 2024, frontend for the underlying open source ARSnova project.
- GDPR
- no registration
- open source
- recommended
- sufficiently free
- Live chat
- Quiz/ survey
Collect, evaluate and present questions live. Access with QR-code or 8-digit room number. Students can reply to questions, teacher can also put up quick multiple-choice surveys. Unlimited questions and participants.
Free, GDPR-conform tool supported by Hessen, no registration needed for students (registration needed for teacher for automatic ChatGPT-based answers). Since 2019.
- GDPR
- no registration
- recommended
- sufficiently free
- Communicate with students
- Live chat
- Quiz/ survey
Live voting and feedback tool: QR or short URL to enter, chat, six standard buttons for lectures (too soft/ fast/ slow/ … ), quizzes, and surveys.
GDPR conform, commercially spun off University of Rostock tool, free basic version, no registration needed (except host in pro version). Released 2020.
- no registration
- sufficiently free
- Collaborative boards
- Live chat
- Presentations
- Quiz/ survey
- Video conferencing
Videoconferencing system focusing on online event/group work. Virtual space “Proximity chat”, where participants move their avatars close to allow chatting; environment is a collaborative board so you can put any type of material or decoration.
Private provider, cost scaling by participants ($300 for up to 25, $500 for up to 100, etc) registration required. Released 2020.
- Presentations
- Quiz/ survey
Private provider. Requires teacher registration (use the “Open Classes” category to allow registration-free student participation). Since 2014.
- no registration
- sufficiently free
- Create activities
- Presentations
- Quiz/ survey
Commercial provider, very limited base version, teacher registration required (students can answer anonymously, or with SSO). Since 2015.
- no registration
- Quiz/ survey
Live voting/survey/quiz tool, intended for presentations. Quizzes, exams, word clouds, …
Commercial provider, free basic version, registration required. Since 2011.
- no registration
- sufficiently free
- Quiz/ survey
Private provider, GDPR-conform, no login needed for students, pre-paid version available for TUM staff (see instructions here).
- GDPR
- no registration
- open source
- sufficiently free
- TUM
- Quiz/ survey
Uni development, GDPR conform, free of charge, with client download for teacher, no registration for participants. Since 2011.
- GDPR
- no registration
- sufficiently free
- Live chat
- Quiz/ survey
Uni-Tool, free of charge, usable without registration. Since 2012, actively promoted 2021-2023.
- no registration
- sufficiently free
- Create activities
- Quiz/ survey
Commercial tool, free basic version, registration required for teacher (not for participants). Since 2013.
- no registration
- Maths
- Quiz/ survey
Single-question survey tool intended for integration into presentations. Multiple-choice, free text or numeric answers; time-limited; immediate results. Exchangeable question collections. Supports LaTeX notation for maths.
Private provider, free, registration required. Developed in 2011 at Uni Paderborn, spun off 2017.
- GDPR
- recommended
- sufficiently free
- Collaboration
- Quiz/ survey
Clean-looking tool for short surveys; especially good options for agreeing on dates/times.
Private provider, free of charge without registration. Since 2000.
- no registration
- sufficiently free
- Create activities
- Quiz/ survey
Commercial provider, limited free account (no more Edu version), registration required. Since 2012.
- Collaborative boards
- Create activities
- Presentations
- Quiz/ survey
Interaction tool with live voting, word clouds, group creation and more. Cannot export in cheapest paid package (requires premium).
Private provider, free basic account, no registration necessary. Since 2019.
- no registration
- sufficiently free
- Collaboration
- Create activities
- Quiz/ survey
Private provider, free of charge, usable without registration. Since 2010; website quite outdated/neglected since 2020.
- GDPR
- no registration
- sufficiently free
- Create activities
- Quiz/ survey
Was a live interaction tool.
Provider State of Hesse, free of charge, usable without registration. Defunct 2024.
- no registration
- sufficiently free
- Presentations
- Quiz/ survey
Create presentations and learning units, and integrate into your LMS (e.g., Moodle). Quizzes, surveys, mindmaps, gamification. [Real-time ranking (quizzes), and following specific students requires Expert (€120/year) package.]
Private provider, GDPR conform, requires registration. Released 2015.
- GDPR
- sufficiently free