Papercups

Open-source live chat and shared inbox alternative to Intercom.

Papercups is an open-source customer-messaging and live-chat platform built with Elixir/Phoenix on the backend and React on the frontend, positioned as an alternative to Intercom and Drift. It provides an embeddable chat widget, a shared team inbox, email and Slack integrations, and a real-time messaging API. It is notable for its Elixir/Phoenix real-time architecture and easy self-hosting.