Dev tools · alternatives · 2026
24 alternatives to TryJS
Write & run JS/TS in your browser — instantly, for free
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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- 2WP
2013 · usablica.github.com · its alternatives →
- 3
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 →
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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 →
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Interactive javascript development environment
2025 · surajadsul.github.io · its alternatives →
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Bun▲303A fast JS runtime Node.js replacement with built‑in tools
Dec 2025 · bun.com · its alternatives →
- 8
Run TypeScript snippets directly in Chrome DevTools
2024 · chromewebstore.google.com · its alternatives →
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Intro.js v2.0▲328Javascript framework for adding guide and screen tips
2015 · usablica.github.io · its alternatives →
- 12
My favorite JS/TS job processing framework. Maybe yours too? [ARCHIVED] - eropple/taskbotjs
2018 · github.com · its alternatives →
- 13
Click on a component in browser to go to code in your editor
2022 · locatorjs.com · its alternatives →
- 14
Write, run, and test JavaScript snippets & JSON offline
Aug 2026 · chromewebstore.google.com · its alternatives →
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DisplayJS▲210A simple JavaScript framework for building ambitious UIs 😊
2017 · display.js.org · its alternatives →
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ZappJS▲184code generator for Node.js, Ruby, Swift, Java, PHP & more
2018 · zappjs.com · its alternatives →
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Experiment with TypeScript - with npm in your browser
2025 · typescriptnotebook.com · its alternatives →
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CustomJS▲143Hello, as an Indie Hacker, I have built and successfully launched this SaaS software. Originally it was a plugin for Make.com but now it can also be used for many other user cases. It's a niche market but many users are enjoying it. Feel free to give me more feedback https://www.customjs.space
2024 · customjs.space · its alternatives →
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A private, browser-only ClojureScript playground powered by the self-hosted compiler.
2016 · cljsfiddle.com · its alternatives →
- 22
Create and share simple web demos using TypeScript, CSS, and HTML. Prototype new ideas quickly.
2017 · codewich.com · its alternatives →
- 23AT
2019 · blog.hediet.de · its alternatives →
- 24SJ
2020 · hole.dev · its alternatives →
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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 →