Life & fun · alternatives · 2026

24 alternatives to Epanet-JS – Simulate a water distribution network in JavaScript

Model a water distribution network in JavaScript using the OWA-EPANET engine - epanet-js/epanet-js-toolkit

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Epanet-JS – Simulate a water distribution network in JavaScript launched in 2020; newer entries below may have overtaken it.

1. 1GJ
   Grid.js – Advanced table library that works everywhere▲390

   Grid.js is a lightweight JavaScript table plugin that works on all web browsers and devices. Grid.js is open-source and it helps you create advanced tables in seconds!

   2020 · gridjs.io · its alternatives →

2. 2
   Grid.js▲322

   Free and open-source HTML table plugin that works everywhere

   2020 · gridjs.io · its alternatives →

3. 3
   ePaper.js – Easily create an ePaper display using JavaScript and HTML▲145

   Node.js library for easily creating an ePaper display on a Raspberry PI using HTML and Javascript. - samsonmking/epaper.js

   2020 · github.com · its alternatives →

4. 4
   Simulating 20M Particles in JavaScript▲561

   Had some fun with shared array buffers over many months of free time. Skip to the end to play around with the final app. Open to ideas on how to simulate more whilst staying in js land.

   2024 · dgerrells.com · its alternatives →

5. 5
   Ant – A JavaScript runtime and ecosystem▲330

   Hello HN! I'm the author of Ant, a JavaScript ecosystem built around a runtime with its own JavaScript engine. Ant also includes a package manager, the ants.land package registry, a platform for deploying and hosting applications, and Ant Desktop for building native desktop apps with web technologies, similar to Electron. The goal is for these pieces to work as one coherent platform while remaining compatible with the wider JavaScript ecosystem. It's still early, and I'd appreciate any feedback on the overall direction or what you'd like to see from an e2e alternative to the existing…

   Jul 2026 · antjs.org · its alternatives →

6. 6
   Cloud World Model▲172

   How we built native x402 payable API support so AI agents can run simulations and pay per request — no human-in-the-loop billing setup required.

   Jun 2026 · cloudworldmodel.ai · its alternatives →

7. 7
   Recurrent neural net plays 'neural slime volleyball' in JavaScript▲147

   2015 · otoro.net · its alternatives →

8. 8
   WASM and WebGL Fluid Simulation▲86

   Fluid simulation in liquidfun-wasm

   2021 · birchlabs.co.uk · its alternatives →

9. 9
   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 →

10. 10OA
    OxJS - a JavaScript Library for Web Applications▲44

    2012 · oxjs.org · its alternatives →

11. 11
    Magic Grid – A simple JavaScript library for dynamic grid layouts▲167

    A simple, lightweight Javascript library for dynamic grid layouts. - e-oj/Magic-Grid

    2018 · github.com · its alternatives →

12. 12WJ
    Wu.js – Higher order functions for ES6 iterators▲56

    2014 · fitzgen.github.io · its alternatives →

13. 13
    Well-documented neural networks in JavaScript▲11

    Neural networks in JavaScript. Well-documented and object-oriented. - delight-im/JS-NeuralNetwork

    2016 · github.com · its alternatives →

14. 14
    Flowy – A minimal JavaScript library to create flowcharts▲52

    The minimal javascript library to create flowcharts ✨ - alyssaxuu/flowy

    2019 · github.com · its alternatives →

15. 15AB
    A browser-based neural network simulation▲31

    2015 · neurovis.dataphoric.com · its alternatives →

16. 16
    A command-line utility for deploying serverless applications to AWS▲68

    A command-line utility for deploying serverless applications to AWS. Complete with custom domains, deploy previews, TypeScript support, and more. - JakePartusch/serverlessui

    2021 · github.com · its alternatives →

17. 17
    A Simple Lightning Network Plugin Based on JavaScript▲8

    A simple Lightning Network plugin based on JS. Contribute to Actinium-project/ln-plugin-js development by creating an account on GitHub.

    2019 · github.com · its alternatives →

18. 18
    Interactive real-time chemistry and fluids: water electrolysis▲99

    2021 · cselab.github.io · its alternatives →

19. 19
    Stochastic – JavaScript library for simulating stochastic processes▲55

    Simulation of common stochastic processes with native JavaScript - NathanEpstein/stochastic

    2014 · github.com · its alternatives →

20. 20
    Oceananigans.jl: A fast ocean model in Julia that runs on CPUs and GPUs▲16

    🌊 Julia software for fast, friendly, flexible, ocean-flavored fluid dynamics on CPUs and GPUs - CliMA/Oceananigans.jl

    2019 · github.com · its alternatives →

21. 21HB
    HTML5 Bird Flocks Simulation in CoffeeScript▲47

    2012 · chrisp.gr · its alternatives →

22. 22JE
    JS-emulated Linux with network support, everyone on one subnet▲26

    2013 · jor1k.widgetry.org · its alternatives →

23. 23
    A Genetic Algorithm library written in JavaScript▲48

    Genetic algorithm library written in JavaScript. Contribute to lodenrogue/genetic-algorithm-js development by creating an account on GitHub.

    2020 · github.com · its alternatives →

24. 24AA
    An ASCII/Node based fluid simulation to play with online▲10

    An ASCII/Node based fluid simulation library built using vanilla JS and CSS Grids.

    2020 · batman-nair.github.io · 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 →