Open Source Pusher Alternatives

The best open source alternative to Pusher is TrailBase. If that doesn't suit you, our users have ranked more than 25 alternatives to Pusher and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Pusher are Supabase, PocketBase, Socket.io and GUN.

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

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Pusher alternatives page was last updated Jan 15, 2025
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Alternatives
  1. TrailBase icon

    TrailBase

     10 likes
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    TrailBase offers a blazingly fast, open-source application server featuring type-safe APIs and real-time data. Built on Rust, with JS/ES6/TS runtime, it provides built-in authentication, admin UI, and low-latency responses. Supports mobile, web, and desktop, eliminating the need for dedicated caches.

    16 TrailBase alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
    TrailBase screenshot 1

    TrailBase Features

    1.  SQLite
    2.  Admin panel
    3.  Low Latency
    4.  REST API
    5.  Support for Typescript

    TrailBase VS Pusher

     

    • TrailBase is the most popular Windows, Mac, Linux & Self-Hosted alternative to Pusher.

    • TrailBase is the most popular Open Source & free alternative to Pusher.

    • TrailBase is Free and Open SourcePusher is Paid and Proprietary
  2. Supabase icon

    Supabase

     27 likes
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    The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

    107 Supabase alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Supabase screenshot 1

    Supabase Features

    1.  OAUTH
    2.  REST API
    3.  Server Authentication
    4.  Web-Database
    5.  Real-time traffic

    Supabase VS Pusher

     
  4. PocketBase icon

    PocketBase

     12 likes
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    Open Source realtime backend in 1 file.

    21 PocketBase alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • BG flagBulgaria
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Records listing

    PocketBase Features

    1.  Backend
    2.  File Storage

    PocketBase VS Pusher

     
  5. Ad
    Screenshot
    Cometchat icon
    Cometchat

    CometChat is a Facebook style footer chat written in PHP and mySql for your website which enables your users to interact and chat with each other in real-time.

    https://www.cometchat.com
    Learn More
  6. Socket.io icon

    Socket.io

     16 likes
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    Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms.

    27 Socket.io alternatives

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • JavaScript
    • C++
    • Java
    • Node.JS
    Admin UI

    Socket.io Features

    1.  C++
    2.  Broadcasting messages

    Socket.io VS Pusher

     
    Comments about Socket.io as an Alternative to Pusher
    Guest
    Negative •Mar 1, 2017
    -15

    socket.io is a javascript framework, not java

    Pusher Icon
    Socket.io icon

    • Most users think Socket.io is a great Pusher alternative.

    • Socket.io is Free and Open SourcePusher is Paid and Proprietary
  7. GUN icon

    GUN

     28 likes
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    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.

    40 GUN alternatives

    License model

    • Free • Open Source

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    GUN screenshot 1

    GUN Features

    1.  Decentralized
    2.  Distributed Database
    3.  Peer-To-Peer
    4.  Graph database
    5.  Content analysis
    6.  Graphs
    7.  Content Discovery
    8.  Real-time sync
    9.  Distributed

    GUN VS Pusher

     

    • GUN is the most popular Android, iPhone, iPad & Android Tablet alternative to Pusher.

    • GUN is Free and Open SourcePusher is Paid and Proprietary
    • GUN is DecentralizedPusher is not according to our users
  8. NGINX Unit icon

    NGINX Unit

     1 like
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    A lightweight and versatile open source server that simplifies the application stack by natively executing application code across eight different programming language runtimes.

    13 NGINX Unit alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Linux
    • Docker
    • Self-Hosted

    Properties

    1.  Lightweight

    Features

    1.  Extensible by Plugins/Extensions
    2.  Command line interface
    3.  Configured in JSON
    4. Docker icon  Support for Docker
    5.  Nginx

    NGINX Unit VS Pusher

     
  10. Etebase icon

    Etebase

     10 likes
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    Etebase makes it easy to build end-to-end encrypted applications by taking care of the encryption and its related challenges.

    92 Etebase alternatives

    License model

    • Free • Open Source

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)

    Etebase Features

    1.  End-to-End Encryption
    2.  Backend

    Etebase VS Pusher

     

    • Etebase is the most popular SaaS alternative to Pusher.

    • Etebase is Free and Open SourcePusher is Paid and Proprietary
  11. Cometchat icon

    Cometchat

     2 likes
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    CometChat is a Facebook style footer chat written in PHP and mySql for your website which enables your users to interact and chat with each other in real-time.

    10 Cometchat alternatives

    License model

    • Freemium • Open Source

    Application type

    Platforms

    • Online
    Cometchat screenshot 1

    Cometchat Features

    1.  REST API
    2.  Mobile SDK integration
    3.  In-App Chat
    4.  Embeddable

    Cometchat VS Pusher

     
  12. InstantDB icon

    InstantDB

     2 likes
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    Instant is for building real-time and offline-enabled applications. We make it easy to build collaborative products like Notion or Figma.

    52 InstantDB alternatives

    License model

    • Freemium • Open Source

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Self-Hosted

    Properties

    1.  Privacy focused

    Features

    1.  Ad-free
    2.  No Tracking
    3.  Client-side

    InstantDB VS Pusher

     
  13. emitter.io icon

    emitter.io

     11 likes
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    Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.

    57 emitter.io alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • Self-Hosted
    emitter.io screenshot 1

    emitter.io Features

    1.  Cloud based
    2.  Backend
    3.  Push Notifications

    emitter.io VS Pusher

     
  14. JBoss icon

    JBoss

     14 likes
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    JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server. It is, as with Red Hat itself, dual-licensed either as open source (community edition) or commercially (enterprise edition).

    16 JBoss alternatives

    License model

    • Free • Open Source

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux

    JBoss Features

    1.  Java based

    JBoss VS Pusher

     
  15. Jetty icon

    Jetty

     14 likes
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    The Jetty Web Server provides a HTTP server and Servlet container capable of serving static and dynamic contend either from a standalone or embedded instantiations.

    12 Jetty alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux

    Jetty VS Pusher

     
12 of 23 Pusher alternatives