Claper

<div align="center">

<a href="https://claper.co">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="priv/static/images/logo-large.svg" />
    <source media="(prefers-color-scheme: light)" srcset="priv/static/images/logo-large-black.svg" />
    <img src="priv/static/images/logo-large-black.svg" alt="Claper" height="72" />
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</a>

### Turn slides into a live conversation.

The open-source, self-hostable alternative to Mentimeter, Slido and Wooclap.<br />
Add **Q&A**, **polls**, **quizzes**, **forms**, **live captions** and **reactions** to the slides you already have.<br />
Your audience joins from their phone: no app, no account.

<p>
  <a href="https://app.claper.co/users/log_in"><strong>Try it free</strong></a> ·
  <a href="https://docs.claper.co/self-hosting/quick-start.html"><strong>Self-host</strong></a> ·
  <a href="https://docs.claper.co"><strong>Documentation</strong></a> ·
  <a href="https://claper.co"><strong>Website</strong></a> ·
  <a href="https://community.claper.co"><strong>Community</strong></a>
</p>

<p>
  <a href="https://github.com/ClaperCo/Claper/releases/latest"><img alt="Latest release" src="https://img.shields.io/github/v/release/ClaperCo/Claper?style=flat-square&color=8b5cf6" /></a>
  <a href="https://github.com/ClaperCo/Claper/actions/workflows/elixir.yml"><img alt="CI" src="https://img.shields.io/github/actions/workflow/status/ClaperCo/Claper/elixir.yml?branch=dev&style=flat-square&label=CI" /></a>
  <a href="https://github.com/ClaperCo/Claper/pkgs/container/claper"><img alt="Docker image" src="https://img.shields.io/badge/docker-ghcr.io-2496ED?style=flat-square&logo=docker&logoColor=white" /></a>
  <a href="LICENSE.txt"><img alt="License: AGPL-3.0" src="https://img.shields.io/github/license/ClaperCo/Claper?style=flat-square&color=6b7280" /></a>
  <a href="https://github.com/ClaperCo/Claper/stargazers"><img alt="GitHub stars" src="https://img.shields.io/github/stars/ClaperCo/Claper?style=flat-square&color=f59e0b" /></a>
  <a href="https://community.claper.co"><img alt="Community" src="https://img.shields.io/badge/Community-join-8b5cf6?style=flat-square" /></a>
</p>

</div>

<p align="center">
  <a href="https://claper.co">
    <img src=".github/assets/claper-preview.png" alt="Claper event manager with slide preview, interactions and audience responses, next to the attendee view on a phone showing a pinned message" width="900" />
  </a>
</p>

<p align="center">
  <sub>Used by <b>7,000+ speakers</b> at teams and institutions like CERN, Red Hat, KU Leuven, TU München and Deutsche Telekom (<a href="https://claper.co">claper.co</a>).</sub>
</p>

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## ⚡ Get started

Pick the option that fits. The code is the same in both.

| | ☁️ **Claper Cloud** | 🏠 **Self-hosted** |
|---|---|---|
| **Setup** | None, sign up and present | One `docker compose up` |
| **Price** | Free up to 10 attendees, then [pay per event](https://claper.co/#pricing) | Free, no attendee limit |
| **Data** | Hosted in the EU 🇪🇺