Dev tools · alternatives · 2026

24 alternatives to AdventJS - JavaScript Coding Challenges

A JavaScript coding challenge each day through Christmas Eve

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. AdventJS - JavaScript Coding Challenges launched in 2022; newer entries below may have overtaken it.

1. 1
   24 days of #JavaScriptmas 🎄▲24

   📅 Coding advent calendar with daily challenges and prizes

   2020 · its alternatives →

2. 2TJ
   The JavaScript Way, a book for learning modern JavaScript from scratch▲545

   2017 · github.com · its alternatives →

3. 3WP
   Weekend project, Intro.js▲716

   2013 · usablica.github.com · its alternatives →

4. 4TJ
   thedaywefightback.js▲472

   2014 · github.com · its alternatives →

5. 5
   Advent of No-Code 2024▲178

   Create daily with 24 no-code challenges

   2024 · adventofnocode.io · its alternatives →

6. 6
   DisplayJS▲210

   A simple JavaScript framework for building ambitious UIs 😊

   2017 · its alternatives →

7. 7PJ
   Pts.js – A library for visualization and creative coding▲611

   2018 · ptsjs.org · its alternatives →

8. 8
   Add-to-Calendar Button Generator▲280

   Free convenient JavaScript snippet, generating event buttons

   2021 · its alternatives →

9. 9LA
   Learn and practice modern JavaScript▲305

   2019 · learnjavascript.online · its alternatives →

10. 10
    JavaScript.com▲217

    A free resource for learning and developing in JavaScript

    2015 · its alternatives →

11. 11JB
    JavaScript books, free online▲222

    2016 · exploringjs.com · its alternatives →

12. 12
    1Code1Day▲16

    A daily code challenge

    2025 · 1code1day.app · its alternatives →

13. 13
    GrapesJS▲163

    Open Source tool for building web templates without coding.

    2016 · its alternatives →

14. 14JA
    Joy – a Go to JavaScript compiler▲201

    2017 · mat.tm · its alternatives →

15. 15GN
    GraphicsJS, New Powerful Free Open-Source JavaScript Graphics Library▲124

    2016 · graphicsjs.org · its alternatives →

16. 16
    NestJS▲149

    A progressive Node.js framework 🚀

    2018 · its alternatives →

17. 17
    GraphicsJS▲77

    Powerful free open-source JavaScript vector graphics library

    2016 · its alternatives →

18. 18
    CodeJS▲11

    AI Powered JavaScript Playground

    2024 · its alternatives →

19. 19
    PlayJS▲138

    Playground JavaScript web, now with superpowers

    2023 · its alternatives →

20. 20
    RunJS▲18

    The JavaScript playground for your desktop

    2018 · its alternatives →

21. 21
    Impossible.js▲100

    Build terminal apps in JavaScript

    2023 · its alternatives →

22. 22JA
    JSRobot – A platform game you play by coding in JavaScript▲79

    2017 · github.com · its alternatives →

23. 23
    EyeJS▲81

    A JavaScript testing framework for the real world 😊.

    2017 · its alternatives →

24. 24
    JavaScript Learning Roadmap▲13

    Master JavaScript in 30 Days—One Project at a Time!

    2025 · java-script-learning-roadmap.vercel.app · 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 →