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
24 days of #JavaScriptmas 🎄▲24
📅 Coding advent calendar with daily challenges and prizes
2020 · scrimba.com · its alternatives →
2
A Repo of JavaScript Coding Challenges▲127
Some basic javascript coding challenges and interview questions - kolodny/exercises
2015 · github.com · its alternatives →
3
Learn and practice modern JavaScript▲305
Learn JavaScript is the easiest, most interactive way to learn & practice modern JavaScript online. Read short lessons, solve challenges & answer flashcards.
2019 · learnjavascript.online · its alternatives →
4WP
Weekend project, Intro.js▲716
2013 · usablica.github.com · its alternatives →
5
Advent of No-Code 2024▲178
Create daily with 24 no-code challenges
2024 · adventofnocode.io · its alternatives →
6GN
GraphicsJS, New Powerful Free Open-Source JavaScript Graphics Library▲124
2016 · graphicsjs.org · its alternatives →
7
Pts.js – A library for visualization and creative coding▲611
Pts is a javascript library for visualization and creative-coding.
2018 · ptsjs.org · its alternatives →
8
DisplayJS▲210
A simple JavaScript framework for building ambitious UIs 😊
2017 · display.js.org · its alternatives →
9
The JavaScript Way, a book for learning modern JavaScript from scratch▲545
The JavaScript Way book. Contribute to thejsway/thejsway development by creating an account on GitHub.
2017 · github.com · its alternatives →
10
Add-to-Calendar Button Generator▲280
Free convenient JavaScript snippet, generating event buttons
2021 · github.com · its alternatives →
11
WarriorJS▲271
An exciting game of programming and Artificial Intelligence
2018 · warrior.js.org · its alternatives →
12OA
OxJS - a JavaScript Library for Web Applications▲44
2012 · oxjs.org · its alternatives →
13
TaskBotJS – TypeScript and JavaScript background job processing▲137
My favorite JS/TS job processing framework. Maybe yours too? [ARCHIVED] - eropple/taskbotjs
2018 · github.com · its alternatives →
14
JavaScript.com▲217
A free resource for learning and developing in JavaScript
2015 · javascript.com · its alternatives →
15
1Code1Day▲16
A daily code challenge
2025 · 1code1day.app · its alternatives →
16JL
jsdares – learning programming visually▲177
Experimental educational programming environment. Learn Javascript and create your own dares!
2013 · jsdares.com · its alternatives →
17JB
JavaScript Battle – A daily artificial intelligence battle▲137
2014 · javascriptbattle.com · its alternatives →
18
Codewich – A live-updating TypeScript/CSS/HTML playground▲114
Create and share simple web demos using TypeScript, CSS, and HTML. Prototype new ideas quickly.
2017 · codewich.com · its alternatives →
19
Fast 2kB date library alternative to Moment.js with the same API▲122
⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API - iamkun/dayjs
2018 · github.com · its alternatives →
20HJ
hr.js - Build large client-side applications in a structured way▲69
2013 · friendcode.github.io · its alternatives →
21
GraphicsJS▲77
Powerful free open-source JavaScript vector graphics library
2016 · its alternatives →
22
CodeJS▲11
AI Powered JavaScript Playground
2024 · its alternatives →
23
Faster.js – a micro-optimizing JavaScript compiler▲89
faster.js is a Babel plugin that compiles idiomatic Javascript to faster, micro-optimized Javascript. - vzhou842/faster.js
2018 · github.com · its alternatives →
24
RunJS▲18
The JavaScript playground for your desktop
2018 · runjs.app · its alternatives →

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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 →