Life & fun · alternatives · 2026

24 alternatives to Msngr.js, a messaging library for JavaScript

An asynchronous messaging library, written in JavaScript, for node and the web browser - KrisSiegel/msngr.js

Msngr.js is an asynchronous messaging library written in JavaScript that works in both Node.js and web browsers. It enables developers to implement message-based communication patterns in their applications. The… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Msngr.js, a messaging library for JavaScript launched in 2015; newer entries below may have overtaken it.

1. 1
   Cross-browser asynchronous JS script loader w/callbacks▲45

   2012 · github.com · its alternatives →

2. 2
   LoadJS – A tiny async loader for modern browsers▲25

   A tiny async loader / dependency manager for modern browsers (961 bytes) - amorey/loadjs

   2016 · github.com · its alternatives →

3. 3
   Fast 2kB date library alternative to Moment.js with the same API▲122

   ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API - iamkun/dayjs

   2018 · github.com · its alternatives →

4. 4
   Popper.js, a 3KB library to manage tooltips and popovers▲169

   A JavaScript library to position floating elements and create interactions for them. - floating-ui/floating-ui

   2016 · github.com · its alternatives →

5. 5
   Zuck.js, a JavaScript library that lets you add Stories everywhere▲339

   A javascript library that lets you add stories EVERYWHERE. - ramonszo/zuck.js

   2017 · github.com · its alternatives →

6. 6
   Crudlet.js – A common, streamable interface for synchronizing data▲94

   utility library for async iterable iterators. Contribute to crcn/mesh.js development by creating an account on GitHub.

   2015 · github.com · its alternatives →

7. 7
   1 KB JavaScript library for building front end apps▲242

   1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

   2017 · github.com · its alternatives →

8. 8
   LoadJS – A tiny async loader for modern browsers▲21

   A tiny async loader / dependency manager for modern browsers (961 bytes) - amorey/loadjs

   2015 · github.com · its alternatives →

9. 9
   1kb JavaScript library for building front end applications▲187

   1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

   2017 · github.com · its alternatives →

10. 10FA
    Findr, an omegle like chat made with Node.js, socket.io and angularJS▲52

    2016 · findr.mybluemix.net · its alternatives →

11. 11
    JavaScript PubSub in 163 Bytes▲104

    pubsub in <100 bytes. Contribute to hassanshaikley/pico-pubsub development by creating an account on GitHub.

    2025 · github.com · its alternatives →

12. 12
    Node.js Messenger▲140

    A small alternative to Slack

    2017 · totaljs.com · its alternatives →

13. 13
    chatgpt.js▲137

    A powerful client-side JavaScript library for ChatGPT

    2023 · chatgpt.js.org · its alternatives →

14. 14
    A Node.js open source library to send transactional notifications▲84

    A Node.js library to send all kinds of transactional notifications. - notifme/notifme-sdk

    2017 · github.com · its alternatives →

15. 15
    Monkberry – a JavaScript library for building web user interfaces▲115

    Monkberry is blazingly fast, small 1kb and simple JavaScript library for building web user interfaces.

    2016 · monkberry.js.org · its alternatives →

16. 16
    Callbaxx.js – A utility library to bring callbacks to synchronous code▲43

    [Satire]🔥 JS utility library to bring classic callback style programming to synchronous code — ES6? More like ES Sucks. - scf4/callbaxx

    2018 · github.com · its alternatives →

17. 17
    Node.js port of WhisperSystem's libsignal▲88

    Signal protocol implementation for Node.js. Contribute to ForstaLabs/libsignal-node development by creating an account on GitHub.

    2017 · github.com · its alternatives →

18. 18
    Socket.js, a tiny WebSockets library for Node.js▲11

    A realtime communication framework for Node.js. Contribute to stepchowfun/socket.js development by creating an account on GitHub.

    2016 · github.com · its alternatives →

19. 19
    A minimal and idiomatic WebSocket library for Go▲99

    Minimal and idiomatic WebSocket library for Go. Contribute to coder/websocket development by creating an account on GitHub.

    2019 · github.com · its alternatives →

20. 20
    Vialer-js – Open-source WebRTC communication platform▲127

    Pluggable WebRTC softphone and communication platform. - vialer/vialer-js

    2018 · github.com · its alternatives →

21. 21MJ
    MicroEvent.js - js micro event emitter in less than 20lines▲60

    2011 · notes.jetienne.com · its alternatives →

22. 22
    A tiny and fast reactive observables library via functions▲72

    A tiny (~1kB minzipped) and extremely fast library for creating reactive observables via functions. - maverick-js/signals

    2022 · github.com · its alternatives →

23. 23
    Mastering Modular JavaScript▲94

    📦 Module thinking, principles, design patterns and best practices. - mjavascript/mastering-modular-javascript

    2018 · github.com · its alternatives →

24. 24
    Faster.js – a micro-optimizing JavaScript compiler▲89

    faster.js is a Babel plugin that compiles idiomatic Javascript to faster, micro-optimized Javascript. - vzhou842/faster.js

    2018 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →