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CLUSTER CODE-WEB-SNIPPETS · 33 ENTRIES · EARLIEST ENTRY 2025-07-19

Web code snippet editors

This cluster consists of web-based editors for writing, running, and sharing code snippets in the browser. Entry activity before the index start was spread across seven months from February 2025 to March 2026, with the largest monthly count being two in June 2025. Traction leadership is led by whichcodingtools with 8 stars, while pastehtml and SDE-Code-Web have zero stars.

Entry timeline

ENTRY TIMELINE

FEB 2025: 1JUN 2025: 1JUL 2025: 1SEP 2025: 1AUG 2026: 21SEP 2026: 6OCT 2026: 2
FEB 2025OCT 2026

Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.

Members by activity

Activity signals, not revenue.

Build origin · 1 ai-built · 12 unlabelled

Operator · 13 unlabelled

Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 13 listed below. Unlabelled means nothing has decided yet — not that the answer is small.

  1. 21JSX Live Compiler0★unknownliveWeb app that compiles JSX code into JavaScript and shows the output live as users type.
  2. 22React Runner0★unknownliveWeb-based interactive playground for developers to experiment with React components and code snippets in real-time.
  3. 23CodeMirror | React Runner0★unknownliveAn interactive code runner that lets users write and execute React code directly in the browser using a CodeMirror editor.
  4. 24ProCode - Your Coding Ground0★unknownliveOnline coding platform where users can write, run, and share code in a browser.
  5. 25PlayGist0★unknownliveWeb tool that runs GitHub gists in the browser, letting developers execute code snippets without setup.
  6. 26Ceylonicus [Web IDE]0★unknownliveA browser-based integrated development environment that lets users write, run, and test code directly from a web browser.
  7. 27Code Playground0★unknownliveWeb app for writing, running, and sharing code snippets online.
  8. 28coding-guidelines-challenge.vercel.app0★unknownliveAn interactive web app that presents coding guidelines challenges for developers.
  9. 29TurboBuilder - Create Extensions0★unknownliveWeb app that lets users build TurboWarp extensions using Scratch-like block coding.
  10. 30JS Playground - Interactive JavaScript & TypeScript Code Editor0★unknownliveOnline code editor that lets users write, run, and share JavaScript and TypeScript snippets with real-time execution.
  11. 31Tiny Codesandbox0★unknownliveOnline code editor and execution sandbox that lets users write, run, and share small programs in the browser.
  12. 32React Playground0★unknownliveWeb-based sandbox that lets users write, test, and share React code snippets through shareable URLs without signing in.
  13. 33Code Playground Assistant0★unknownliveai-builtWeb-based coding assistant that provides an interactive playground for writing, testing, and experimenting with code snippets.

Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.