Open Source Alternatives to Pusher

A realtime communication platform that provides hosted APIs for building bi-directional messaging infrastructure. The service enables developers to implement features such as realtime charts, programmatic push notifications, location tracking, and in-app chat for mobile and web applications. It supports multiple programming languages including Node.js, Python, Java, Go, Ruby, and PHP. The platform is deployed as a hosted service that manages the complexity of scaling concurrent connections and message delivery.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Pusher give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 2 open source alternatives to Pusher. The most popular are Centrifugo and AnyCable. Most use the Apache-2.0 or MIT license, and 2 offer an official Docker image.