Important update: New pricing changes are now available.

The ultimate tool to
interact
Create Poll 75%
❤️👏💯🙌
✓ Evaluate
✗ Knowledge
Send message and ask questions? 🤔
Yes! That's exactly what Claper does! 🥳
with your audience.

Claper transforms your slides into an interactive and engaging experience.

Get Started

Follow our step-by-step guide to install Claper on your own and explore all its features.

Discover the Claper experience

Explore features

Empower every voice. Transform your presentations into vibrant, real-time conversations.

Want to join an event?

Experience dynamic events where your voice matters. Connect with speakers.

#1 open-source interaction software  

#1 open-source interaction software  

#1 open-source interaction software  

Q&A

Never miss a question again. Capture audience inquiries as they happen, prioritize them based on popularity, and address what matters most to your audience.

Polls

Instantly take the pulse of your room. Launch engaging polls with a single click, visualize responses in real-time, and make data-driven decisions that resonate with your audience.

Export Data

Preserve every valuable interaction. Export comprehensive session data with one click, analyze engagement patterns, and transform audience insights into actionable intelligence.

PDF/PPT support

Keep your existing content working for you. Upload your PDF and PowerPoint presentations seamlessly, maintain your visual identity, and add powerful interactive elements without starting from scratch.

Claper

Core features

Multi-Language

Navigate in your preferred language. The entire platform interface is available in English, French, German, Spanish, Dutch, and Italian, making it accessible to presenters and teams worldwide.

Insights

See the complete engagement picture. Access detailed metrics on participation, question themes, and poll results to continuously refine your approach and maximize your impact.

One-in-All Dashboard

Control everything from a single screen. Manage messages, launch interactions, and adjust settings effortlessly while maintaining your focus on delivering a compelling presentation.

Open-Source

Make the platform truly yours. Benefit from complete transparency, customize to your exact needs, and join a community of innovators shaping the future of interactive presentations.

LMS

Connect your educational ecosystem. Integrate seamlessly with Moodle to import quizzes, synchronize participant data, and create consistent learning experiences across platforms.

What our users say

4000+ speakers are using Claper

You have your place here. Send us a love message!

As a speaker, Claper is a new way to connect to my audience and collect valuable feedbacks.

Caleb B.

Claper is so useful for our company, our teams are located all around the globe, and we can easily use it to make interactive presentation.

Elizabeth F.

As an educator, Claper has been a game-changer. My students are more interactive and attentive than ever.

Manuel A.

Simple and effective, Claper is more than enough to animate my talk shows!

Eric B.

Trusted across industries

Empowering Engagement Globally.

Education

Interactive Learning

Transform your classroom with 100% student participation. Enable fearless questioning and identify difficult concepts through real-time quizzes. Claper makes this a daily reality for thousands of educators.

Interactive Learning
Corporate meeting

Dynamic Teamwork

Foster boardrooms where every team member contributes. Gather insights from all organizational levels and validate decisions through instant polls. Claper delivers this inclusive meeting experience to thousands of forward-thinking companies.

Dynamic Teamwork
Events & Conferences

Captivating Events

Create conferences with fully engaged attendees. Enable natural audience questions and help speakers adapt content through real-time feedback. Claper provides this dynamic interaction for thousands of successful event organizers.

Captivating Events

Start for free. Upgrade for more.

Start creating an interactive presentation for free. Upgrade to empower your talks, unlock additional features and support our mission.

Small

0 per event
Up to 10 attendees
5 MB presentation size
  • Unlimited interactions
Create event now

Medium

2.49 per event
Up to 100 attendees
30 MB presentation size
  • Unlimited interactions
  • Data exports
  • Event reports
  • Manage presentation with your team or colleagues
Create event now
Most Popular

Large

4.49 per event
Up to 200 attendees
100 MB presentation size
  • Unlimited interactions
  • Data exports
  • Event reports
  • Manage presentation with your team or colleagues
Create event now

Huge

6.99 per event
Up to 500 attendees
300 MB presentation size
  • Unlimited interactions
  • Data exports
  • Event reports
  • Manage presentation with your team or colleagues
  • Priority support
Create event now
Our Sponsors

They make it possible

All of your questions, answered.

Can I self-host Claper on my server ?

Yes. Claper is open-source and you can host it on your own server using Docker or doing a manual installation.

Can I use it for free ?

Yes. You can use Claper for free with a limited number of attendees.

How many attendees can I have ?

With the free plan, you can have up to 10 attendees. If you need more, you can upgrade your plan to go up to 500 attendees.

How Claper is different from other tools ?

Claper is a free and open-source project. You can use it for free and host it on your own server. Claper is also a community, we are listening to your feedbacks and we are always improving the platform.

Can I get a refund ?

Yes. You can ask for a refund within 7 days after your purchase through the email support.

For what kind of events can I use Claper ?

Claper is perfect for any kind of events: conferences, meetups, workshops, etc. even if it's more suitable for physical events.

Still have questions?

Have any questions? We're here to help. Reach out for any inquiries.

Innovate Together with the Claper Community!

Claper logo

Join our community

Connect with other users, collaborate, share tips, and get support on our Discord server.

Join our Discord Server
New subreddit /r/claper
Github