Push Technology Alternatives

Serious realtime infrastructure

freemium

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

Open Source

Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.

Try for free paid Free Trial $12.0 / Monthly (Per inbox, per month.)

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

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

Open Source

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

Open Source

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

Realtime application framework (Node.JS server)

Open Source

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.

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

A WebSocket Implementation for Node.JS ( Draft -08 through the final RFC 6455 )

Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.

Amazon Simple Queue Service is a fully managed message queuing service.

Open Source

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

Open Source