Free Pubnub Alternatives

The best free alternative to Pubnub is Supabase, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Pubnub and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Pubnub are Firebase, GUN, InstantDB and AWS Amplify.

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Pubnub alternatives page was last updated Nov 26, 2024

Supabase
36 likes
The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.
116 Supabase alternatives
Cost / License
Freemium
Open Source (Apache-2.0)
Application type
Backend as a Service
Origin
United States
Platforms
Online
Self-Hosted
Is Supabase a good alternative to Pubnub?
Firebase
76 likes
Firebase, provided by Google, is a backend service and application development platform. It uses AI, cloud infrastructure, and cross-platform SDKs for efficient app development. Firebase offers tools and infrastructure for app creation and business growth.
117 Firebase alternatives
Cost / License
Freemium
Proprietary
Application type
Backend as a Service
Origin
United States
Platforms
Online
Is Firebase a good alternative to Pubnub?
GUN
28 likes
GUN is an open source, realtime, graph database written entirely in JavaScript and built using peer-to-peer algorithms, making it surprisingly fault tolerant and easy to get started with.
Cost / License
Free
Open Source
Origin
United States
Platforms
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Self-Hosted
Is GUN a good alternative to Pubnub?
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Knock
Flexible notifications infrastructure offering API-driven cross-channel messaging, fast deployment, preference management, instant scaling, multi-channel support, pay-as-you-go pricing, and reduced engineering effort for high-vol...

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InstantDB
3 likes
Instant is for building real-time and offline-enabled applications. We make it easy to build collaborative products like Notion or Figma.
Cost / License
Freemium
Open Source (Apache-2.0)
Platforms
Online
Software as a Service (SaaS)
Is InstantDB a good alternative to Pubnub?
AWS Amplify
2 likes
AWS Amplify is a complete solution that lets frontend web and mobile developers easily build, ship, and host full-stack applications on AWS, with the flexibility to leverage the breadth of AWS services as use cases evolve. No cloud expertise needed.
Cost / License
Freemium
Proprietary
Application type
Backend as a Service
Origin
United States
Platforms
Software as a Service (SaaS)
Amazon Web Services
Is AWS Amplify a good alternative to Pubnub?
deepstream.io
10 likes
deepstream.io is a clusterable realtime server that handles persistent tcp and websocket connections. It offers data-sync, pub/sub and request/response. It's available for Linux, Mac and Windows and comes with clients in JS, Java and many others.
Cost / License
Free
Open Source
Origin
Germany
EU
Platforms
Mac
Windows
Linux
Self-Hosted
Is deepstream.io a good alternative to Pubnub?
Scaledrone
12 likes
Scaledrone is a realtime messaging service and platform. Send live updates, create chatrooms and collaborative tools.
Cost / License
Freemium
Proprietary
Origin
Sweden
EU
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Chrome OS
Android Tablet
Windows Phone
iPad
Is Scaledrone a good alternative to Pubnub?
N
N
Notifico
1 like
Notifico is a self-hosted, open-source notification server that delivers real-time notifications to various clients via email, SMS, messengers and other means of communication.
Cost / License
Free
Open Source (Apache-2.0)
Platforms
Self-Hosted
SQLite
Docker
N
Is Notifico a good alternative to Pubnub?
deployd
15 likes
API development tool for Web and Mobile developers.
Cost / License
Free
Open Source
Application type
Backend as a Service
Origin
United States
Platforms
Mac
Windows
Linux
Online
Is deployd a good alternative to Pubnub?
Koa
11 likes
Expressive middleware for node.js using generators via co to make web applications and APIs more enjoyable to write. Koa's middleware flow in a stack-like manner allowing you to perform actions downstream, then filter and manipulate the response upstream.
Cost / License
Free
Open Source
Application type
Web Framework
Origin
United States
Platforms
Mac
Windows
Linux
Is Koa a good alternative to Pubnub?
emitter.io
11 likes
Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.
Cost / License
Free
Open Source (AGPL-3.0)
Application type
Backend as a Service
Origin
United Kingdom
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
Windows Phone
Self-Hosted
Is emitter.io a good alternative to Pubnub?
Ably
7 likes
Scalable pub/sub platform offers developers secure, low-latency, enterprise-grade realtime messaging, built-in features for GPS tracking, event updates, and automatic failover, delivering billions of messages daily to users across industries on a global edge network.
Cost / License
Freemium
Proprietary
Origin
United Kingdom
Platforms
Online
Is Ably a good alternative to Pubnub?