Dev tools · 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. Automatic Workerization of JavaScript Code launched in 2015; newer entries below may have overtaken it.

1. 1
   Eloquent Javascript▲20

   A modern introduction to Javascript

   2014 · eloquentjavascript.net · its alternatives →

2. 2
   NotebookJS▲109

   Scientific computation for JavaScript

   2016 · datazar.com · its alternatives →

3. 3PM
   Practical Modern JavaScript▲7

   2017 · ponyfoo.com · its alternatives →

4. 4
   Remarkable▲82

   a JavaScript Markdown and Commonmark parser

   2014 · github.com · its alternatives →

5. 5
   This Developing Story - 33: Step by step refactoring▲54

   A review of an interview on refactoring JavaScript Framework

   2015 · developingstory.netlify.com · its alternatives →

6. 6BA
   Bronson – Automated Java Code Review on GitHub▲8

   2014 · bronson.io · its alternatives →

7. 7LJ
   Learn Javascript by interactive coding▲5

   2012 · learnjs.info · its alternatives →

8. 8RA
   Roadroller, a heavyweight packer for large JavaScript demos▲6

   2021 · lifthrasiir.github.io · its alternatives →

9. 9JM
   Jindo – minimalist reactive backend for JavaScript applications▲7

   2016 · jindo.io · its alternatives →

10. 10SR
    Space Rock, a realtime JavaScript framework▲7

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

11. 11PO
    Picket – Object orientated JavaScript - Type hinting, interfaces, much more▲5

    2015 · picketjs.com · its alternatives →

12. 12IC
    Interactive Course on JavaScript Closures▲7

    2021 · slip.so · its alternatives →

13. 13
    Polished js▲6

    A lightweight toolset for writing styles in JavaScript

    2017 · polished.js.org · its alternatives →

14. 14OP
    Object Playground - The definitive guide to object-oriented JavaScript▲5

    2013 · objectplayground.com · its alternatives →

15. 15
    Nullstack – A framework for full stack JavaScript components▲7

    2023 · nullstack.app · its alternatives →

16. 16ET
    engine262 - the self-hosted JavaScript engine▲5

    2019 · engine262.js.org · its alternatives →

17. 17
    Swimmer▲2

    An async task pooling and throttling utility for JS

    2018 · github.com · its alternatives →

18. 18
    Natto – a canvas for writing and manipulating JavaScript▲5

    2021 · natto.dev · its alternatives →

19. 19AP
    AllJS – Popular JavaScript libraries ready for tinkering▲6

    2015 · alljs.net · its alternatives →

20. 20PR
    Programmable Recipes with Markdown, JavaScript and Handlebars▲5

    2020 · programmablerecipes.com · its alternatives →

21. 21
    Monkberry▲6

    A JavaScript library for building web user interfaces

    2016 · monkberry.js.org · its alternatives →

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

    2021 · git.ce9e.org · its alternatives →

23. 23SA
    Sheldonize – Automated Task Management. Thoughts?▲5

    2014 · sheldonize.com · its alternatives →

24. 24MA
    Myjs An accidental pure-Python JavaScript interpreter▲7

    Sep 2026 · pypi.org · 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 →