Dev tools · alternatives · 2026

24 alternatives to Impossible.js

Build terminal apps in JavaScript

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Impossible.js launched in 2023; newer entries below may have overtaken it.

1. 1
   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 →

2. 2
   Treeline▲486

   Build a backend without writing code

   2015 · its alternatives →

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

   2013 · usablica.github.com · its alternatives →

4. 4AJ
   A Javascript library to overcomplicate Five▲69

   2014 · jackdcrawford.github.io · its alternatives →

5. 5
   I made a CLI tool to create web extensions with no build configuration▲381

   Hello HN! I'm the creator and solo developer of Extension.js, a development tool for browser extensions with built-in support for TypeScript, WebAssembly, React, and modern JavaScript. Developers use it to spend less time configuring the compilation config or learning new frameworks and more time actually writing code. Most projects similar to Extension.js rely on some sort of abstraction or configuration to get started, making the initial development process slow given the extra learning curve and setup guidelines. By using Extension.js, adding the package to your npm scripts is all it…

   2024 · github.com · its alternatives →

6. 6AI
   An Isomorphic JavaScript Framework Faster Than React▲337

   2015 · jsblocks.com · its alternatives →

7. 7TJ
   Total.js – Low-code development (Node-RED alternative)▲216

   2023 · totaljs.com · its alternatives →

8. 8
   Next.js 13▲323

   Build powerful & dynamic web applications – without limits

   2022 · nextjs.org · its alternatives →

9. 9
   1 KB JavaScript library for building front end apps▲242

   1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

   2017 · github.com · its alternatives →

10. 10
    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 →

11. 11
    Bun▲303

    A fast JS runtime Node.js replacement with built‑in tools

    Dec 2025 · bun.com · its alternatives →

12. 12
    Chart.js▲263

    Simple, clean & engaging charts for designers and developers

    2014 · chartjs.org · its alternatives →

13. 13
    My winter project, BlockLike.js, an educational JavaScript library▲35

    2018 · blocklike.org · its alternatives →

14. 14WJ
    Way.js – Simple, persistent, framework-agnostic two-way databinding▲162

    2014 · gwendall.github.io · its alternatives →

15. 15
    TheoremJS▲167

    A Math framework for computation in JavaScript

    2018 · theorem.js.org · its alternatives →

16. 16
    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 →

17. 17
    Building APIs with Node.js▲130

    Build scalable APIs in Node.js platform

    2016 · leanpub.com · its alternatives →

18. 18
    NFT.JS▲79

    A Javascript library to implement NFTs

    2022 · nft-js.web.app · its alternatives →

19. 19
    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 →

20. 20
    Total.js Platform▲93

    Open-source JavaScript platform

    2021 · totaljs.com · its alternatives →

21. 21
    1 KB JavaScript library for building applications▲116

    1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

    2017 · github.com · its alternatives →

22. 22AJ
    Algebra.js – Build, display, and solve algebraic equations▲132

    2015 · algebra.js.org · its alternatives →

23. 23
    Million.js▲153

    A fast, <1kb virtual DOM

    2021 · github.com · its alternatives →

24. 24
    Nothing.js – A chainable mock object which always returns itself▲89

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

    2018 · 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 →