Life & fun · alternatives · 2026

BenchJS is a JavaScript benchmarking app that helps developers measure and compare the performance of code snippets. Launched on December 31, 2024, it provides a straightforward way to test execution speed and identify… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Made a small JavaScript benchmarking app – BenchJS launched in 2024; newer entries below may have overtaken it.

1. 1
   Mitata – Benchmarking tooling for JavaScript▲93

   I always had a sweet tooth for how easy it is to use google/benchmark, but when working with js, current libraries didn't feel right and some were not even accurate enough, so I decided to create my own library to make JavaScript benchmarking tooling better. With more free time, I finally implemented all features I wished for in 1.0.0 and made a lightweight C++ single-header version for moments when google/benchmark is too much. Hope this library helps you as much as it does me.

   2024 · github.com · its alternatives →

2. 2
   Fast.js – faster reimplementations of native JavaScript functions▲323

   Faster user-land reimplementations for several common builtin native JavaScript functions. - codemix/fast.js

   2014 · github.com · its alternatives →

3. 3
   Speedometer 3.0▲131

   Benchmarking app performance on the modern web

   2024 · github.com · its alternatives →

4. 4
   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 →

5. 5
   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 →

6. 6SU
   Speed up your site by running JavaScript when the browser is idle▲94

   2022 · npmjs.com · its alternatives →

7. 7
   Execute JavaScript in a WebAssembly QuickJS sandbox▲206

   This TypeScript package allows you to safely execute JavaScript code within a WebAssembly sandbox using the QuickJS engine. Perfect for isolating and running untrusted code securely, it leverages the lightweight and fast QuickJS engine compiled to WebAssembly, providing a robust environment for code execution. Features - *Security*: Run untrusted JavaScript code in a safe, isolated environment. - *File System*: Can mount a virtual file system - *Custom Node Modules*: Custom node modules are mountable - *Fetch Client*: Can provide a fetch client to make http(s) calls - *Test-Runner*: Includes…

   2024 · github.com · its alternatives →

8. 8
   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 →

9. 9AI
   An Isomorphic JavaScript Framework Faster Than React▲337

   2015 · jsblocks.com · its alternatives →

10. 10
    1 KB JavaScript framework for building front-end applications▲216

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

    2017 · github.com · its alternatives →

11. 11MN
    My new JavaScript MVC framework▲304

    2014 · lhorie.github.io · its alternatives →

12. 12
    Canvas engines performance comparison – PixiJS, Two.js, and Paper.js▲193

    Render multiple moving rectangles to compare a number of canvas engines.

    2020 · benchmarks.slaylines.io · its alternatives →

13. 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. 14VJ
    Velocity.js – Accelerated JavaScript animation▲160

    Velocity.js: An incredibly fast animation engine for motion designers.

    2014 · velocityjs.org · its alternatives →

15. 15
    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 →

16. 16
    Chart.js▲263

    Simple, clean & engaging charts for designers and developers

    2014 · chartjs.org · its alternatives →

17. 17JC
    JavaScript Cache Size Measurement▲42

    2016 · fromwhenceitca.me · its alternatives →

18. 18
    DisplayJS▲210

    A simple JavaScript framework for building ambitious UIs 😊

    2017 · display.js.org · its alternatives →

19. 19WS
    WebGL Sprites Benchmark▲38

    2015 · haxor.xyz · its alternatives →

20. 20DC
    detecting cache latency inside a Web browser▲107

    2018 · maratyszcza.github.io · its alternatives →

21. 21
    JSBench.me▲1

    Javascript code benchmarking playground

    2020 · jsbench.me · its alternatives →

22. 22
    PlayJS▲138

    Playground JavaScript web, now with superpowers

    2023 · its alternatives →

23. 23
    Umbrella JS, a 2.5kb jQuery alternative▲132

    :umbrella: Lightweight javascript library for DOM manipulation and events

    2018 · umbrellajs.com · its alternatives →

24. 24
    An open source performance monitoring tool▲135

    Hey HN. We’re Jay and Vadim from Highlight.io (https://highlight.io). We’re building an open source [1] monitoring platform for web applications. Today we’re excited to be sharing a performance tool we’ve been working on, which helps you inspect the latency of code execution from the client to the server. As engineers at past startups, we often had to debug slow queries, poor load times, inconsistent errors, etc... While tools like Jaegar [2] helped us inspect server-side performance, we had no way to tie user events to the traces we were inspecting. In other words, although we had…

    2024 · 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 →