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Life & fun · alternatives · 2026

This is a JavaScript library that loads scripts asynchronously across different web browsers and executes callback functions when loading is complete. It's designed for web developers who need to manage script… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cross-browser asynchronous JS script loader w/callbacks launched in 2012; newer entries below may have overtaken it.

  1. 1

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

    2016 · github.com · its alternatives →

  2. 2JL

    http://instantclick.io/ It seems the internet architecture won't bring us instant websites anytime soon. So here is a hack. I released this JS library last month (today is version 2.0 release, fixing v1.0's rough edges), it makes use of HTML5's pushState and preloading to make a website instant. It works like this: before clicking on a link, you'll hover over it. And there's a delay of 200-300 ms between these two events. InstantClick uses this delay to preload a page, when you click on a link it will display instantly in most case. (You can test on the website.) That's…

    2014 · its alternatives →

  3. 3

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

    2015 · github.com · its alternatives →

  4. 4AI
  5. 5MY

    Offline.js is a Javascript and CSS library to automatically alert your users when they

    2013 · github.hubspot.com · its alternatives →

  6. 6

    JavaScript engine + state machine with threads and without callbacks - amaksr/nsynjs

    2017 · github.com · its alternatives →

  7. 7

    Add a banner to your site in opposition to mass surveillance on 02/11 - tfrce/thedaywefightback.js

    2014 · github.com · its alternatives →

  8. 8

    This TypeScript package allows you to safely execute JavaScript code within a WebAssembly sandbox using the QuickJS engine. Perfect for isolating and running untrusted code securely, it leverages the lightweight and fast QuickJS engine compiled to WebAssembly, providing a robust environment for code execution. Features - *Security*: Run untrusted JavaScript code in a safe, isolated environment. - *File System*: Can mount a virtual file system - *Custom Node Modules*: Custom node modules are mountable - *Fetch Client*: Can provide a fetch client to make http(s) calls - *Test-Runner*: Includes…

    2024 · github.com · its alternatives →

  9. 9

    Build powerful & dynamic web applications – without limits

    2022 · nextjs.org · its alternatives →

  10. 10

    Cross-browser storage for all use cases, used across the web. - marcuswestin/store.js

    2017 · github.com · its alternatives →

  11. 11

    [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 →

  12. 12
    Blitz.js▲270

    Rails-like framework for React apps, built on Next.js

    2020 · github.com · its alternatives →

  13. 13

    Composable async primitives with cancelation, control over scheduling, and coroutines. Superior replacement for JS Promises. - mitranim/posterus

    2017 · github.com · its alternatives →

  14. 14

    Simple autocomplete pure vanilla Javascript library.

    2018 · tarekraafat.github.io · its alternatives →

  15. 15

    Hi HN! I created this lib in the need of a simple and tiny framework to easily do AJAX-style navigation / replacement of fragments in the page, in a web application. For people who don't want to use client-side-rendering and complex frameworks à la React, there are nowadays a few "HTML-over-the-wire" libraries, like HTMX, Unpoly or this super-tiny one Swap.js :) One other key thing is that no external tool is needed: no bundler, no webpack, no TypeScript compiler, no minification needed. Just write HTML, JS (+ your preferred server-side language: PHP, Python, etc.) and it works. The…

    2023 · github.com · its alternatives →

  16. 16

    My favorite JS/TS job processing framework. Maybe yours too? [ARCHIVED] - eropple/taskbotjs

    2018 · github.com · its alternatives →

  17. 17
    Chart.js▲263

    Simple, clean & engaging charts for designers and developers

    2014 · chartjs.org · its alternatives →

  18. 18

    A small, but powerful JavaScript library crafted to power your webapp

    2016 · boxfactura.com · its alternatives →

  19. 19
  20. 20

    Fall asleep by watching JavaScript load. Contribute to sarusso/bedtime development by creating an account on GitHub.

    Jan 2026 · github.com · its alternatives →

  21. 21

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

    2015 · github.com · its alternatives →

  22. 22WJ
  23. 23WJ
  24. 24

    See how your users crashed your web application

    2016 · kuoll.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 →