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Dev tools · alternatives · 2026

24 alternatives to TypeScriptNotebook – Experiment with NPM in the Browser

A free, in-browser Jupyter-style notebook for TypeScript. It supports npm installs, network requests, and more—no signup or setup required. Why I Built It I wanted a simple way to test npm packages, experiment with TypeScript, and work on ideas like prompt engineering without heavy setup or local tools. Features - npm Integration: Install and use packages instantly. - Network Requests: Test APIs right in the notebook. - TypeScript Playground: Experiment, debug, and share code. It’s ideal for developers, educators, and anyone wanting a TypeScript scratch pad. Give it a try at…

TypeScriptNotebook is a free, browser-based notebook for TypeScript that works like Jupyter without requiring signup or installation. It lets users install npm packages, make network requests, and write TypeScript code… 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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    Experiment with TypeScript - with npm in your browser

    2025 · typescriptnotebook.com · its alternatives →

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    Srcbook (”source-book”) is an open-source TypeScript notebook that runs locally, powered by Node.js. It shines for rapid prototyping, code exploration, and collaborating on ideas. It’s inspired by Python’s Jupyter and Elixir’s Livebook. Key features: - Full npm ecosystem access - AI-assisted coding (OpenAI, Anthropic, or local models), it can iterate on the cells for you with a code diff UX that you accept/reject for a given code cell, generate entire Srcbooks, fix compilation issues, etc… - Exports to valid markdown for easy sharing and version control Try it now: `npx srcbook start`…

    2024 · github.com · its alternatives →

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    Show HN: Tiptap Editor 3.0 Beta is out. Hi HN! Philip here from Tiptap (https://tiptap.dev/). We're excited to announce Tiptap 3.0 Beta, a major upgrade built with and for the open source community. It's still extension-based, still unopinionated, but we've tackled some of the biggest developer headaches: Enhanced TypeScript support: Strong typing for extension storage and config options. Server-side compatibility: Manipulate editor content on the server, no DOM required. JSX support: Leverage a modern, React/Vue-like approach to describing your node output. Expanded…

    2025 · tiptap.dev · its alternatives →

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    Easily create pages with live code, text and visualizations.

    2020 · github.com · its alternatives →

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    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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    Hi HN, I'm Narek. I built Manim-Web, a TypeScript/JavaScript port of 3Blue1Brown’s popular Manim math animation engine. The Problem: Like many here, I love Manim's visual style. But setting it up locally is notoriously painful - it requires Python, FFmpeg, Cairo, and a full LaTeX distribution. It creates a massive barrier to entry, especially for students or people who just want to quickly visualize a concept. The Solution: I wanted to make it zero-setup, so I ported the engine to TypeScript. Manim-Web runs entirely client-side in the browser. No Python, no servers, no install. It runs…

    Feb 2026 · github.com · its alternatives →

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    Turn your browser into a cozy, nostalgic writing nook

    Feb 2026 · typeletter.aishashok.com · its alternatives →

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    TypeORM▲81

    Node.js ORM written in TypeScript

    2017 · github.com · its alternatives →

  9. 9AM

    I made an open source, MIT license Typescript library based on some of the latest research that generates prompt injection attacks. It is a super minimal/lightweight and designed to be super easy to use. Keen to hear your thoughts and please be responsible and only pen test systems where you have permission to pen test!

    2025 · prompt-injector.blueprintlab.io · its alternatives →

  10. 10

    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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    Nodebook - Multi-Lang Web REPL + CLI Code runner. Contribute to netgusto/nodebook development by creating an account on GitHub.

    2018 · github.com · its alternatives →

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    I started writing this book 10 years ago in JavaScript, got through a few chapters (asymptotic notation, basic techniques, start of sorting), and then abandoned it. Recently I picked it back up, converted everything to TypeScript, and used AI (Zenflow [1] + Claude Opus 4.6) to complete the remaining chapters. I provided the structure, direction, and initial chapters; the AI generated the bulk of the remaining content under a spec-driven workflow. The book covers roughly a first 1-2 year CS curriculum: sorting, dynamic programming, graph algorithms, trees, heaps, hash tables, and more. All…

    Mar 2026 · amoilanen.github.io · its alternatives →

  13. 13

    Run TypeScript snippets directly in Chrome DevTools

    2024 · chromewebstore.google.com · its alternatives →

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    Very simple self-contained javascript notebook. Contribute to timcwinkler/javascript-notebook development by creating an account on GitHub.

    2021 · github.com · its alternatives →

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    Inspect webhook payloads with automatic type generation

    2022 · typedwebhook.tools · its alternatives →

  16. 16
    pdfme▲106

    Open source PDF library fully written in TypeScript

    2022 · pdfme.com · its alternatives →

  17. 17

    Local-first collaboration SDK for React, Vue, and Svelte. Batteries-included: Rich text, undo/redo, cursors, and presence. - Dancode-188/synckit

    Nov 2025 · github.com · its alternatives →

  18. 18

    Today we’re releasing a full AI app builder in Srcbook. We released our TypeScript notebook a few months ago (https://news.ycombinator.com/item?id=41291700) and the response was encouraging, but we kept hearing that people wanted to build interactive apps. Today we are releasing just that. You can think of it as an open-source and local version of vercel’s v0. We actually think of it as something in between an IDE and that, because we believe the code matters and don’t shy away from that: you can view and edit the code in a full editor, but prompt your way forward if that's…

    2024 · github.com · its alternatives →

  19. 19

    The from-scratch guide to building large language models in NodeJS.

    8d ago · book.humanexperiences.io · its alternatives →

  20. 20

    Create, run & share your custom tools effortlessly

    2023 · moyukapp.com · its alternatives →

  21. 21

    Nodebook - Multi-Lang Web REPL + CLI Code runner. Contribute to netgusto/nodebook development by creating an account on GitHub.

    2020 · github.com · its alternatives →

  22. 22

    TypeScript for the Browser. Contribute to stagas/tsbro development by creating an account on GitHub.

    2025 · github.com · its alternatives →

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    Production-ready Node.js TypeScript boilerplate: ESM, Vitest, ESLint, Prettier, GitHub Actions, Mise, and AGENTS.md included. - jsynowiec/node-typescript-boilerplate

    2017 · github.com · 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 →