Life & fun · alternatives · 2026

24 alternatives to JS++

JavaScript Classes, Modules, Type Checking

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JS++ launched in 2016; newer entries below may have overtaken it.

1. 1
   JavaScript Quiz▲190

   Check your JS knowledge by having fun.

   2021 · javascriptquiz.com · its alternatives →

2. 2
   is.js▲132

   Micro check library for programmers

   2015 · is.js.org · its alternatives →

3. 3
   Modular JavaScript▲67

   Let's write robust, well-tested, modular JavaScript code.

   2016 · rajabandotind.com · its alternatives →

4. 4
   JavaScript.com▲217

   A free resource for learning and developing in JavaScript

   2015 · javascript.com · its alternatives →

5. 5
   JavaScript & jQuery▲68

   A beautiful and simple instructional book.

   2014 · its alternatives →

6. 6
   JavaScripting▲74

   Ranking of top JavaScript libraries, frameworks, and plugins

   2015 · its alternatives →

7. 7
   You Don't Know JS: Up & Going▲128

   Get a more complete understanding of JavaScript

   2016 · github.com · its alternatives →

8. 8
   JSLog▲91

   JavaScript & TypeScript playground

   2024 · jslog.app · its alternatives →

9. 9
   CodeCombat▲143

   Learn to Code JavaScript by Playing a Game

   2014 · codecombat.com · its alternatives →

10. 10
    Typeset.js▲81

    Improve your website's typography

    2015 · typeset.lllllllllllllllll.com · its alternatives →

11. 11
    Simplified JavaScript Jargon▲137

    Community-driven explanation of JavaScript buzz words

    2016 · jargon.js.org · its alternatives →

12. 12
    CODY▲136

    Free library of HTML, CSS, & JS nuggets

    2014 · codyhouse.co · its alternatives →

13. 13
    Dug.js▲66

    A JSONP to HTML Script

    2014 · rog.ie · its alternatives →

14. 14
    Flow▲74

    Static type checker to find errors in JavaScript programs

    2014 · its alternatives →

15. 15
    Understanding ES6▲71

    Get started with the new Javascript

    2016 · leanpub.com · its alternatives →

16. 16
    exceptions.js▲63

    JS error reporting with stacktraces, screenshots & DOM dumps

    2014 · github.com · its alternatives →

17. 17
    The State Of JavaScript Survey▲103

    Discover which JavaScript libraries are the most popular

    2016 · stateofjs.com · its alternatives →

18. 18
    Mastering Modular JavaScript▲94

    📦 Module thinking, principles, design patterns and best practices. - mjavascript/mastering-modular-javascript

    2018 · github.com · its alternatives →

19. 19
    JSFiddle▲107

    Test and share JavaScript, CSS, HTML or CoffeeScript online.

    2014 · jsfiddle.net · its alternatives →

20. 20
    ThatJSDude▲21

    The easiest and funniest way to understand JavaScript

    2014 · thatjsdude.com · its alternatives →

21. 21
    Classes for javascript that you'd actually use▲52

    Classes for javascript that don't suck. Contribute to jneen/pjs development by creating an account on GitHub.

    2012 · github.com · its alternatives →

22. 22
    JS Syntax▲8

    JavaScript newer syntax(ES6+) detection

    2025 · js-syntax.com · its alternatives →

23. 23
    Node.js Design Patterns▲76

    The most advanced Node.js topics simplified

    2016 · nodejsdesignpatterns.com · its alternatives →

24. 24
    JS Koans▲8

    Teach you Javascript programming through testing.

    2014 · 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 →