Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Execute, share, and rate arbitrary JavaScript in-browser launched in 2015; newer entries below may have overtaken it.

1. 1
   BrowerQuest▲65

   A HTML5/JavaScript multiplayer game experiment

   2015 · its alternatives →

2. 2ST
   Scrape the web by injecting JavaScript into web pages▲109

   2014 · espion.io · its alternatives →

3. 3RB
   Reusing browser JavaScript code on server▲7

   2012 · blog.elastic.io · its alternatives →

4. 4
   Eloquent Javascript▲20

   A modern introduction to Javascript

   2014 · eloquentjavascript.net · its alternatives →

5. 5
   Run custom JavaScript, each time you visit a website/domain▲5

   2018 · chrome.google.com · its alternatives →

6. 6PM
   Practical Modern JavaScript▲7

   2017 · ponyfoo.com · its alternatives →

7. 7
   Simple framework for JavaScript apps▲7

   2019 · github.com · its alternatives →

8. 8ET
   engine262 - the self-hosted JavaScript engine▲5

   2019 · engine262.js.org · its alternatives →

9. 9
   Unobtrusive JavaScript framework for server-side applications▲6

   2017 · unpoly.com · its alternatives →

10. 10
    A cross-platform JavaScript editor and runtime for local-first web app▲5

    Beta Soon Follow me on X @cp_lepage and @get_fullstacked

    2024 · twitter.com · its alternatives →

11. 11JM
    Jindo – minimalist reactive backend for JavaScript applications▲7

    2016 · jindo.io · its alternatives →

12. 12AW
    Automatic Workerization of JavaScript Code▲9

    2015 · codepen.io · its alternatives →

13. 13SR
    Space Rock, a realtime JavaScript framework▲7

    2015 · space-rock.meteor.com · its alternatives →

14. 14LJ
    Learn Javascript by interactive coding▲5

    2012 · learnjs.info · its alternatives →

15. 15OE
    Optimize existing websites automatically with just a click▲7

    2014 · snapmobl.com · its alternatives →

16. 16BB
    Bit-bundler – simplify the JavaScript bundling experience▲6

    2017 · bundler.bitjs.io · its alternatives →

17. 17AP
    AllJS – Popular JavaScript libraries ready for tinkering▲6

    2015 · alljs.net · its alternatives →

18. 18IC
    Interactive Course on JavaScript Closures▲7

    2021 · slip.so · its alternatives →

19. 19
    My Peer-to-Peer Multiplayer JavaScript Game Framework▲9

    2015 · github.com · its alternatives →

20. 20RA
    Roadroller, a heavyweight packer for large JavaScript demos▲6

    2021 · lifthrasiir.github.io · its alternatives →

21. 21
    Polished js▲6

    A lightweight toolset for writing styles in JavaScript

    2017 · polished.js.org · its alternatives →

22. 22
    Collaborative text editing in ~220 lines of JavaScript▲5

    2021 · git.ce9e.org · its alternatives →

23. 23TA
    Tweed – An OO JavaScript VDOM UI Library▲5

    2017 · medium.com · its alternatives →

24. 24
    My weekend project - Common API for Javascript Engines▲5

    2011 · 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 →