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Life & fun · alternatives · 2026

24 alternatives to please.js - a PostMessage based communication library

In one of our previous posts, we talked about the problems we faced when communicating with frames on a different domain in our application…

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. please.js - a PostMessage based communication library launched in 2013; newer entries below may have overtaken it.

  1. 1

    A powerful client-side JavaScript library for ChatGPT

    2023 · chatgpt.js.org · its alternatives →

  2. 2
    p5.js▲202

    JS library for creating graphic and interactive experiences

    2015 · p5js.org · its alternatives →

  3. 3

    Faster user-land reimplementations for several common builtin native JavaScript functions. - codemix/fast.js

    2014 · github.com · its alternatives →

  4. 4

    A free and open-source chat client for your website

    2014 · conversejs.org · its alternatives →

  5. 5

    Framework for server-rendered React apps

    2017 · vercel.com · its alternatives →

  6. 6

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

    2025 · github.com · its alternatives →

  7. 7

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

    2015 · github.com · its alternatives →

  8. 8

    A small alternative to Slack

    2017 · totaljs.com · its alternatives →

  9. 9

    Hey HN, I wanted to share a UI toolkit project I’ve been working on recently, born out of how difficult I found it to build a great UX on top of LLMs, and keep application state in sync. I’ve built: - A React&#x2F;JS front-end library for conversational interfaces, which makes it super easy to bootstrap AI assistants and ChatGPT style UX: https:&#x2F;&#x2F;github.com&#x2F;nlkitai&#x2F;nlux - A set of adapters that simplify integration with AI backends such as LangServe and HuggingFace The library is highly configurable, easy to theme, supports markdown streaming (that was tough to get…

    2024 · github.com · its alternatives →

  10. 10
    Next.js▲19

    A small framework for server-rendered universal JS webapps

    2016 · vercel.com · its alternatives →

  11. 11

    The most advanced Node.js topics simplified

    2016 · nodejsdesignpatterns.com · its alternatives →

  12. 12AJ

    I've been building a web UI library for a side project of mine. I thought it might be useful to others, so I'm releasing it as open source. To put it simply, I realized that most of my pain points with React come from its declarative model ui=f(state). So I'm trying something that I'm calling "imperative JSX." Instead of treating JSX as the source of truth for your UI, it essentially becomes a query interface for DOM manipulation. I first had the idea for it a few months ago, and only began writing it in earnest last week, so it's extremely early and nowhere near production-ready. Still, I'd…

    2024 · npmjs.com · its alternatives →

  13. 13

    Q.js has a lot of helpful Javascript functions, and works well with other libraries such as jQuery. - EGreg/Q.js

    2013 · github.com · its alternatives →

  14. 14MJ

    Medium.js is a tiny JavaScript library for making HTML5

    2013 · jakiestfu.github.io · its alternatives →

  15. 15

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

    2016 · github.com · its alternatives →

  16. 16

    A JavaScript community and series of technical events!

    2017 · michigantraining.com · its alternatives →

  17. 17
  18. 18

    Server-Sent Events for JavaScript. Contribute to fanout/js-eventstream development by creating an account on GitHub.

    2020 · github.com · its alternatives →

  19. 19RJ

    2015 · responsifyjs.space · its alternatives →

  20. 20

    Hi everyone, the other day I was here cause I thought I came up with a neat way of creating HTML via JavaScript [1] - After some iterations, I'm quite content with the code I wrote. Since I intend to use this in my personal projects, I thought others might as well. 1 - https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=41451559

    2024 · github.com · its alternatives →

  21. 21

    Advanced Physics Library designed for Javascript and Node.JS - AbhiAgarwal/phys.js

    2013 · github.com · its alternatives →

  22. 22

    A Node.js library for creating bots and sending/receiving messages using the Whatsapp Cloud API. - tawn33y/whatsapp-cloud-api

    2023 · github.com · its alternatives →

  23. 23

    🚀 A React Framework for building extensible drag and drop page editors - prevwong/craft.js

    2020 · github.com · its alternatives →

  24. 24

    A Node.js library for creating bots and sending/receiving messages using the Whatsapp Cloud API. - tawn33y/whatsapp-cloud-api

    2022 · github.com · its alternatives →

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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 →