Open Source Alternatives to Sendbird

A messaging and communications platform that provides chat, business messaging, and voice call APIs for embedding real-time conversations into applications, with AI-driven concierge features and scalable infrastructure.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Sendbird give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Sendbird. The most popular is Ethora. It uses the Apache-2.0 license and ships an official Docker image.