Work · alternatives · 2026

24 alternatives to JSBox

Make iOS extensions on your phone using pure JavaScript

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JSBox launched in 2018; newer entries below may have overtaken it.

1. 1IM
   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 →

2. 2
   JSRobot▲477

   Learn to code in JavaScript by playing a game 🤖

   2017 · its alternatives →

3. 3
   Bubble for native mobile apps (beta)▲1,026

   Build native mobile apps for iOS and Android without code.

   2025 · bble.io · its alternatives →

4. 4
   deco.cx 2.0▲1,078

   Build web apps 10x faster with Deno, JSX, TS & Tailwind

   2024 · decocms.com · its alternatives →

5. 5
   JitBlox▲152

   Interactive prototyping of modern web apps without coding

   2024 · jitblox.com · its alternatives →

6. 6
   Expo 2.0▲577

   The fastest way to build an iOS and Android app 📱

   2017 · its alternatives →

7. 7
   Web.dev by Google▲818

   Learn how to build for the web and see where you stand 🌟

   2018 · web.dev · its alternatives →

8. 8WP
   Weekend project, Intro.js▲716

   2013 · usablica.github.com · its alternatives →

9. 9
   React Native▲362

   Build native mobile experiences with Javascript

   2015 · its alternatives →

10. 10
    a0.dev▲479

    Generate full mobile apps with AI

    2025 · a0.dev · its alternatives →

11. 11
    Intro.js v2.0▲331

    Javascript framework for adding guide and screen tips

    2015 · its alternatives →

12. 12
    JSX.Design▲415

    The dev friendly no-code editor for React development

    2024 · its alternatives →

13. 13
    Scriptable▲171

    Automate iOS using JavaScript

    2018 · its alternatives →

14. 14
    Practice.dev▲196

    Learn programming for free.

    2020 · its alternatives →

15. 15JA
    JSRobot – A platform game you play by coding in JavaScript▲79

    2017 · github.com · its alternatives →

16. 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 · its alternatives →

17. 17
    Zeroqode 3.0▲196

    Building web applications has never been easier

    2020 · its alternatives →

18. 18
    ZappJS▲184

    code generator for Node.js, Ruby, Swift, Java, PHP & more

    2018 · its alternatives →

19. 19
    Autumn▲102

    The macOS window manager for JavaScript hackers

    2019 · its alternatives →

20. 20SJ
    SQLite JavaScript - extend your database with JavaScript▲199

    2025 · github.com · its alternatives →

21. 21
    Intro.js▲176

    Simple Javascript framework for adding screen tips

    2014 · its alternatives →

22. 22
    JavaScript-first, open-source WYSIWYG DOCX editor▲130

    We needed a JS-first WYSIWYG DOCX editor and couldn't find a solid OSS option, most were either commercial or abandoned. As an experiment, we gave Claude Code the OOXML spec, a concrete editor architecture, and a Playwright-based test suite. The agent iterated in a (Ralph) loop over a few nights and produced a working editor from scratch. Core text editing works today. Tables and images are functional but still incomplete. MIT licensed.

    Feb 2026 · github.com · its alternatives →

23. 23AT
    A tiny web browser implementation with V8 JavaScript engine and Rust▲144

    2021 · github.com · its alternatives →

24. 24
    Practice.dev 2.0▲119

    Learn programming for free. Backed by Crypto.

    2021 · 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 →