For Events & Conferences

Turn audiences into participants.

Claper helps event organizers and speakers create conferences where attendees ask, vote, and engage in real time, on stage and online.

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.
Teams at the world's leading organizations

They use Claper

St. Gallen Symposium
WBR
DevOpsDays
Fever

Want to join an event?

Join a space where your voice matters. Connect with the speakers.

#1 open-source interaction software  

#1 open-source interaction software  

#1 open-source interaction software  

Live audience Q&A

Give every attendee a microphone. The audience submits questions silently, upvotes the best ones, and speakers always know what to tackle next.

On-stage live polls

Electrify the room in real time. Launch a poll on stage and watch results render live behind you, turning a monologue into a shared moment.

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

Built for live events

Multilingual audiences

Welcome attendees in their own language. The interface is available in English, French, German, Spanish, Dutch, and Italian, perfect for international stages.

Prove your event's impact

Show sponsors and stakeholders the numbers. Capture session-by-session engagement, top questions, and audience sentiment to plan a better next edition.

One dashboard, whole event

Run the whole show from backstage. Switch between sessions, moderate questions, and trigger interactions without missing a beat.

Open-Source

A platform you can truly own. Enjoy full transparency, tailor every detail to your needs, and join a thriving community of innovators shaping the future of interactive presentations.

Moderation Tools

Protect the speaker, protect the audience. Approve, reorder, or hide questions before they hit the stage so every keynote stays on-topic and on-message.

What speakers and organizers say

The go-to tool for live events

Thousands of conferences, meetups, and talks rely on Claper to keep audiences engaged from start to finish.

I've moderated 40+ tech conferences with Claper. Audience upvotes consistently surface the best questions, every single time.

Yuki O.

Our keynote crowd of 1,200 stayed locked in. The live polls behind the speaker turned the talk into a real performance.

Andrei V.

From hybrid meetups to flagship summits, Claper is the only tool we trust for live Q&A on stage.

Camille D.

Start for free. Switch plans for more.

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

Small

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

Medium

2.49per 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

4.49per 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

6.99per 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

All the answers to your questions.

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?

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