Choose the open-source Mentimeter alternative
Claper is our open-source recommendation for existing slides, rich content, and live audience participation. It adds SSO, live transcription, complete exports, and simple per-event pricing.
Claper vs Mentimeter at a glance
| Decision point | Claper | Mentimeter |
|---|---|---|
| Recommendation | Best overall for open source and existing slides. | Best for built-in slide creation. |
| Presentation content | Upload a PDF or PowerPoint, then embed videos or interactive web content. | Build slides in Mentimeter with templates. |
| Live participation | Polls, quizzes, questions, forms, plus live AI captions and a retained transcript. | More question types and ways to present results. |
| Ownership and access | Open source with a self-host option, SSO, and per-event cloud plans. | Subscriptions whose features and limits vary by plan. |
| After the event | Export all event data, including the transcript and audience responses. | Downloadable results with formats that vary by plan. |
Why Claper is the best Mentimeter alternative
Use open source with SSO
Choose open-source software without giving up sign-in through your team's existing account provider.
Mix slides with rich content
Add videos or interactive web content without rebuilding your deck. PowerPoint and Keynote animations are not displayed.
Capture the complete event
Give attendees live AI captions, keep the transcript, and export every event result for follow-up.
When Mentimeter is the better fit
Frequently asked questions
Is Claper the best Mentimeter alternative?
Yes, for teams that want open source, SSO, flexible content, live transcription, complete exports, and per-event buying without a new slide editor.
When should I still choose Mentimeter?
Choose Mentimeter for built-in slide creation, more question types, teamwork, or events with more than 500 attendees.