Push Technology Alternatives

Serious realtime infrastructure

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free freemium

Confluent offers a real-time data platform built around Apache Kafka.

Realtime application framework (Node.JS server)

Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.

SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.

Lightstreamer is a server for delivering real-time messages to browser-based and mobile...

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

open-source

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.

freemium $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )

APIs for the development of scalable newsfeeds and chat applications.

paid

NATS.io is an open source messaging system for cloud native applications, IoT messaging, Edge, and microservices architectures.