CodePen Alternatives

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Online playground for React

GDPR compliant tracking without cookies! TRACKBOXX - Visitor tracking Made in Germany.

Try for free freemium €5.0 / Monthly (1 website, 1 user, 25,000 page impressions)

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Pastebin.com is a website where you can store text for a certain period of time.

Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.

Build and debug modern web and cloud applications, by Microsoft

Sample of the bin:

Online VS Code Editor for Angular and React

Instantly check or copy computed CSS from any element for only ~95$

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications

Plunker is an online community for creating, collaborating on and sharing your web development ideas.

Glitch is the friendly community where everyone builds the web. Simple, powerful interface for creating web apps.

open-source

Free ebook for the JS Beginners