PubNub Alternatives (January 2026)

Build, manage, & optimize real-time apps at scale | PubNub

https://www.pubnu.com/

Power your real-time app with PubNub—the world's largest pub/sub network. Scale to 3 trillion API calls/month, with <30ms global delivery. Start building now!

4.6/5

32+ reviews

Reviewed on:

Capterra

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Ably: The definitive realtime experience platform of the internet.

https://abl

.com/

Power everything from live chat to data broadcast - reliably, securely, and at serious scale with Ably. The largest WebSocket-based pub/sub platform.

Pusher | Leader In Realtime Technologies

https://pushe

.com/

Simple, scalable and reliable. Hosted realtime APIs loved by developers and trusted by giants. Build live dashboards, notifications, geotracking, chat and more.

In-app Chat SDK & API For Messaging And Calling - CometChat

https://www.cometcha

.com/

Build real time chat, voice and video calling experience with CometChat's flexible SDKs, APIs & UI Kits. Sign up now!

EMQX: The World's #1 Open Source Distributed MQTT Broker

https://www.emq

.io/

EMQX: The most scalable MQTT Broker for IoT. Connect 100M+ IoT devices in 1 cluster at 1ms latency. Move and process millions of MQTT messages per second.

Agora Real-Time Voice and Video Engagement

https://www.agor

.io/

The Real-Time Engagement Platform for meaningful human connections. People engage longer when they see, hear, and interact with each other. With Agora, you can embed vivid voice and video in any application, on any device, anywhere.

Video Calling API for Web and App Developers | Whereby

https://whereb

.com/

Get started for free and integrate WebRTC video calls into your website or app using the Whereby API and SDK.

Redis - The Real-time Data Platform

https://redi

.io/

Developers love Redis. Unlock the full potential of the Redis database with Redis Enterprise and start building blazing fast apps.

Appwrite - Build like a team of hundreds

https://appwrit

.io/

Appwrite is an open-source platform for building applications at any scale, using your preferred programming languages and tools.

Hazelcast | Unified Real-Time Data Platform for Instant Action

https://hazelcas

.com/

Take instant action on your streaming data by combining stream processing and an ultra-fast data store in one unified platform. Get started!