Alternatives

Products that do what RunJS does

The JavaScript playground for your desktop

1
PlayJS▲138
Playground JavaScript web, now with superpowers
2023
2
DisplayJS▲210
A simple JavaScript framework for building ambitious UIs 😊
2017
3
Bun▲303
A fast JS runtime Node.js replacement with built‑in tools
Dec 2025
4
JSLog▲91
JavaScript & TypeScript playground
2024
5RC
RoughJS – Create hand-drawn graphics using JavaScript▲1,087
2018 · roughjs.com
6PJ
Pts.js – A library for visualization and creative coding▲611
2018 · ptsjs.org
7
CanvasJS Charts v2▲209
Responsive HTML5 charts with 10x performance
2017
8
PlayJS▲1
A desktop JavaScript playground with real npm packages & AI
10d ago · playjs.app
9
TryJS▲3
Write & run JS/TS in your browser — instantly, for free
Feb 2026
10WP
Weekend project, Intro.js▲716
2013 · usablica.github.com
11
Offline JS Playground▲97
Write, run, and test JavaScript snippets & JSON offline
19d ago · chromewebstore.google.com
12
NestJS▲149
A progressive Node.js framework 🚀
2018
13
Chart.js 4.0▲111
Open source JavaScript charting library for the modern web
2022
14
Runno▲148
Make embeddable code snippets that run in the browser
2021
15
CanvasJS Charts▲121
Beautiful high performance HTML5 charts.
2016
16EJ
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
17IV
I've been making JavaScript sandbox alone for 6 years▲397
Hi HN! Thanks for your attention to my post. It was a big challenge to run most of Node.js packages in browser, fast moreover. Virtual File system, resolve import/export. I got cold many times, depressions, burned out, yet still alive and finished it. Many guys helped me with an advice. Many users give a lot of positive feedback. There are 200,000 monthly unique users. I work full time now because of the freemium business model. To be honest - I am happy after many years of hard work.
2022 · playcode.io
18IM
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
19
Next.js 13▲324
Build powerful & dynamic web applications – without limits
2022
20
Quokka▲93
Rapid prototyping playground for JavaScript in your editor
2017
21IB
I built a WASI playground for running CLI binaries in the browser▲115
2022 · runno.dev
22MA
Made a small JavaScript benchmarking app – BenchJS▲33
2024 · benchjs.com
23
LocatorJS DevTool▲119
Click on a component in browser to go to code in your editor
2022
24
RedwoodJS▲203
The app framework for startups
2022

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