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Nov 4, 2021


Papercups is an open source live customer chat web app written in Elixir. We offer a hosted version at

You can check out how our chat widget looks and play around with customizing it on our demo page. The chat widget component is also open sourced at

Watch how easy it is to get set up with our Slack integration 🚀 : slack-setup

Join our Slack channel!

Come say hi to us on Slack! 👋

One click Heroku deployment

The fastest way to get started is one click deploy on Heroku with:


We wanted to make a self-hosted version of tools like Intercom and Drift for companies that have privacy and security concerns about having customer data going to third party services. We’re starting with chat right now but we want to expand into all forms of customer communication like email campaigns and push notifications.

Stay tuned! We'll be posting a more detailed roadmap soon 🤓


  • Custom chat widget - a customizable chat widget you can embed on your website to talk to your customers
  • React support - embed the chat widget as a React component, or a simple HTML snippet
  • React Native support (alpha) - embed the chat widget in your React Native app
  • Flutter support (alpha) - embed the chat widget in your Flutter app (courtesy of @aguilaair ❤️)
  • Slack integration - connect with Slack, so you can view and reply to messages directly from a Slack channel
  • Mattermost integration - connect with Mattermost, so you can view and reply to messages directly from Mattermost
  • Markdown and emoji support - use markdown and emoji to add character to your messages!
  • Invite your team - send invite links to your teammates to join your account
  • Conversation management - close, assign, and prioritize conversations
  • Built on Elixir - optimized for responsiveness, fault-tolerance, and support for realtime updates


We set up a simple page that demonstrates how Papercups works.

Try sending us a message to see what the chat experience is like!


Check out our blog for more updates and learnings


Check out our docs at


We ❤️ contributions big or small. See for a guide on how to get started.

Thanks to all of our contributors!


MIT © Papercups