Life & fun · alternatives · 2026

Offline.js is a JavaScript and CSS library that automatically notifies users when their internet connection is lost. It captures failed AJAX requests made while offline and resends them once connectivity returns… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Make your app handle going offline launched in 2013; newer entries below may have overtaken it.

1. 1
   UpUp▲306

   Make sure your sites work even when your users are offline

   2015 · talater.com · its alternatives →

2. 2
   Redux Offline – Build Offline-First Apps for Web and React Native▲174

   Build Offline-First Apps for Web and React Native. Contribute to redux-offline/redux-offline development by creating an account on GitHub.

   2017 · github.com · its alternatives →

3. 3OA
   Offline – Access your favorite websites without a network connection▲69

   2015 · play.google.com · its alternatives →

4. 4OJ
   Offline JavaScript PubSub between browser tabs▲83

   2025 · simon-frey.com · its alternatives →

5. 5
   RoughJS – Create hand-drawn graphics using JavaScript▲1,087

   Rough.js is a light weight javascript library that lets you draw graphics with a hand-drawn, sketchy, appearance.

   2018 · roughjs.com · its alternatives →

6. 6WP
   Weekend project, Intro.js▲716

   2013 · usablica.github.com · its alternatives →

7. 7
   thedaywefightback.js▲472

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

   2014 · github.com · its alternatives →

8. 8
   Chart.js▲263

   Simple, clean & engaging charts for designers and developers

   2014 · chartjs.org · its alternatives →

9. 9
   Offline JS Playground▲98

   Write, run, and test JavaScript snippets & JSON offline

   Aug 2026 · chromewebstore.google.com · its alternatives →

10. 10
    autoComplete.js▲304

    Simple autocomplete pure vanilla Javascript library.

    2018 · tarekraafat.github.io · its alternatives →

11. 11JL
    JS library to make your website instant▲426

    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 →

12. 12
    Chart.js 2.0▲440

    Simple, clean & engaging charts for designers & developers.

    2016 · chartjs.org · its alternatives →

13. 13
    Cross-browser asynchronous JS script loader w/callbacks▲45

    2012 · github.com · its alternatives →

14. 14
    Umbrella JS, a 2.5kb jQuery alternative▲132

    :umbrella: Lightweight javascript library for DOM manipulation and events

    2018 · umbrellajs.com · its alternatives →

15. 15GJ
    Grid.js – Advanced table library that works everywhere▲390

    Grid.js is a lightweight JavaScript table plugin that works on all web browsers and devices. Grid.js is open-source and it helps you create advanced tables in seconds!

    2020 · gridjs.io · its alternatives →

16. 16
    Local Node.js app to save everything you browse and serve it offline▲406

    🌱 TDF - Tree Document Format - a universal file format for web collections - DO-SAY-GO/tdf

    2019 · github.com · its alternatives →

17. 17
    Monitor v2 [Retired]▲129

    Alert your entire team when your site goes offline.

    2015 · brandongreen.co · its alternatives →

18. 18DE
    DuskJS – enable your single page apps for offline use▲20

    2015 · duskjs.com · its alternatives →

19. 19
    Help Offline▲102

    An offline emergency help providing system 🇮🇳

    2018 · team-anything.github.io · its alternatives →

20. 20
    Store.js v2.0 – Cross-browser storage for all use cases▲162

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

    2017 · github.com · its alternatives →

21. 21WJ
    Way.js – Simple, persistent, framework-agnostic two-way databinding▲162

    2014 · gwendall.github.io · its alternatives →

22. 22GJ
    garlic.js - don't let your users lose their form data▲212

    2012 · guillaumepotier.github.com · its alternatives →

23. 23
    PullToRefresh.js▲119

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

    2016 · boxfactura.com · its alternatives →

24. 24CJ
    CMS.js – Fully Client-Side JavaScript Site Generator▲117

    2016 · cdmedia.github.io · 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 →