Commerce · alternatives · 2026

24 alternatives to Nothing.js – A chainable mock object which always returns itself

A chainable, callable mock object which always returns itself - slmgc/Nothing

Nothing.js is a JavaScript library that creates chainable mock objects designed to always return themselves. This tool is useful for developers who need to test code that makes multiple method calls in sequence without… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Nothing.js – A chainable mock object which always returns itself launched in 2018; newer entries below may have overtaken it.

1. 1WP
   Weekend project, Intro.js▲716

   2013 · usablica.github.com · its alternatives →

2. 2
   js.spec, a JavaScript implementation of clojure.spec▲96

   clojure.spec for Javascript. Contribute to prayerslayer/js.spec development by creating an account on GitHub.

   2016 · github.com · its alternatives →

3. 3
   Chart.js▲263

   Simple, clean & engaging charts for designers and developers

   2014 · chartjs.org · its alternatives →

4. 4
   Zuck.js, a JavaScript library that lets you add Stories everywhere▲339

   A javascript library that lets you add stories EVERYWHERE. - ramonszo/zuck.js

   2017 · github.com · its alternatives →

5. 5
   Aimless.js – the missing js randomness library▲64

   The missing JavaScript randomness library. Contribute to ChrisCavs/aimless.js development by creating an account on GitHub.

   2023 · github.com · its alternatives →

6. 6
   MockTheClock – A tiny JavaScript library for spoofing time in browser▲18

   A tiny JS library to... spoof timers and other date/time functions. Useful for slowing down 3D animations.... - zb3/MockTheClock

   2015 · github.com · its alternatives →

7. 7
   Kaboom.js is a zero-dependency declarative JavaScript game library▲205

   JavaScript game programming library that helps you make games fast and fun

   2021 · kaboomjs.com · its alternatives →

8. 8
   JavaScript port of Scientist library for refactoring critical paths▲34

   :microscope: A JavaScript interpretation of the Ruby library Scientist, a library for carefully refactoring critical paths. - bugthesystem/scientist.js

   2016 · github.com · its alternatives →

9. 9
   Minified.js – a fully-featured, 4K alternative to jQuery and MooTools▲158

   2013 · minifiedjs.com · its alternatives →

10. 10
    JavaScript unit testing in under 30 lines▲15

    JavaScript unit testing in under 30 lines. GitHub Gist: instantly share code, notes, and snippets.

    2018 · gist.github.com · its alternatives →

11. 11
    Callbaxx.js – A utility library to bring callbacks to synchronous code▲43

    [Satire]🔥 JS utility library to bring classic callback style programming to synchronous code — ES6? More like ES Sucks. - scf4/callbaxx

    2018 · github.com · its alternatives →

12. 12VJ
    validate.js - lightweight JavaScript form validation library▲102

    2011 · rickharrison.github.com · its alternatives →

13. 13MO
    Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

    2019 · mockit.netlify.com · its alternatives →

14. 14
    Impossible.js▲100

    Build terminal apps in JavaScript

    2023 · github.com · its alternatives →

15. 15GJ
    Generate JSON mock data for testing/initial app development▲103

    Easily create complex JSON data structures using intuitive templates.

    2023 · jsongenerator.io · its alternatives →

16. 16AJ
    A Javascript library to overcomplicate Five▲69

    2014 · jackdcrawford.github.io · its alternatives →

17. 17
    Advanced Mathematics Library for Node.js and JavaScript▲123

    Advanced Mathematics Library for Node.js and JavaScript - numbers/numbers.js

    2012 · github.com · its alternatives →

18. 18
    Dagger.js – A buildless, runtime-only JavaScript micro-framework▲80

    TL;DR: dagger.js is a buildless, runtime-only micro-framework that plays nicely with native Web Components. It uses HTML-first directives (e.g. +click, +load) so you can ship a page by dropping a single from a CDN—no bundlers, no compile step. Why I built it Modern stacks are powerful but often heavy: bundlers, compile steps, framework DSLs, local CLIs. For internal tools, small apps, and edge/serverless deployments, I wanted something you can view-source, paste into a page, and ship. What it is: Runtime-only: no build or VDOM compile; hydrate behaviors directly on HTML. HTML…

    2025 · daggerjs.org · its alternatives →

19. 19
    Total.js Platform▲93

    Open-source JavaScript platform

    2021 · totaljs.com · its alternatives →

20. 20
    Baretest – A Minimalistic Alternative to Jest▲18

    Baretest is a fast and simple JavaScript test runner. It offers near-instant performance and a brainless API. It's a minimal alternative to Jest.

    2020 · volument.com · its alternatives →

21. 21
    Matches.js -- Powerful Pattern Matching for Javascript▲96

    Powerful pattern matching for Javascript. Contribute to natefaubion/matches.js development by creating an account on GitHub.

    2012 · github.com · its alternatives →

22. 22
    EyeJS▲81

    A JavaScript testing framework for the real world 😊.

    2017 · eye.js.org · its alternatives →

23. 23
    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 →

24. 24
    Weird JSON superset with BigInt, Infinity, TypedArray etc▲67

    the JS/Node.JS library for encoding complex and unconventional data structures. Support for BigInts, TypedArrays, null, undefined, and Symbol. Multiple flavors available. - DO-SAY-GO/WeirdJSON

    2020 · 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 →