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. A JavaScript calculator using the latest ES6 features launched in 2017; newer entries below may have overtaken it.

1. 1
   NotebookJS▲109

   Scientific computation for JavaScript

   2016 · datazar.com · its alternatives →

2. 2
   Eloquent Javascript▲20

   A modern introduction to Javascript

   2014 · eloquentjavascript.net · its alternatives →

3. 3XR
   Xcell – Reactive, spreadsheet-like calculations in JavaScript▲9

   2018 · tomazy.github.io · its alternatives →

4. 4ML
   Markdown + LaTeX math in the browser▲121

   2013 · socrates.io · its alternatives →

5. 5
   jducers: A js transducers-like implementation using generators and es8▲2

   javascript

   2018 · github.com · its alternatives →

6. 6
   JavaScript Air: For the Beginners▲62

   Stories and wisdom from the panel, for beginner programmers

   2016 · javascriptair.com · its alternatives →

7. 7PM
   Practical Modern JavaScript▲7

   2017 · ponyfoo.com · its alternatives →

8. 8
   Exploring ES6▲55

   Upgrade to the next version of JavaScript

   2015 · leanpub.com · its alternatives →

9. 9
   Practical Modern JavaScript▲1

   Dive into ES6 and the Future of JavaScript

   2017 · amazon.com · its alternatives →

10. 10AP
    AllJS – Popular JavaScript libraries ready for tinkering▲6

    2015 · alljs.net · its alternatives →

11. 11NS
    Notepad Style Online Calculator▲6

    2020 · type-calc.herokuapp.com · its alternatives →

12. 12IB
    I built a tax calculator with JavaScript▲7

    2020 · taxmygig.com · its alternatives →

13. 13TA
    Tweed – An OO JavaScript VDOM UI Library▲5

    2017 · medium.com · its alternatives →

14. 14AC
    A collection of tiny web tools and calculators▲5

    2022 · thetinytools.com · its alternatives →

15. 15
    Simple framework for JavaScript apps▲7

    2019 · github.com · its alternatives →

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

    2019 · engine262.js.org · its alternatives →

17. 17CA
    Cash – An absurdly small jQuery alternative for modern browsers▲9

    2014 · kenwheeler.github.io · its alternatives →

18. 18AV
    A vanilla JavaScript alternative to the buggy vh/vw CSS units▲8

    2015 · joaocunha.github.io · its alternatives →

19. 19
    Natto – a canvas for writing and manipulating JavaScript▲5

    2021 · natto.dev · its alternatives →

20. 20LJ
    Learn Javascript by interactive coding▲5

    2012 · learnjs.info · its alternatives →

21. 21
    Polished js▲6

    A lightweight toolset for writing styles in JavaScript

    2017 · polished.js.org · its alternatives →

22. 22
    Calculator inside Chrome Browser▲6

    Really simple, but sometimes really useful...

    2017 · chromewebstore.google.com · its alternatives →

23. 23
    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 →

24. 24SR
    Space Rock, a realtime JavaScript framework▲7

    2015 · space-rock.meteor.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 →