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CodePen

An online community for testing and showcasing user-created HTML, CSS and JavaScript code snippets
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What is CodePen?

It is a social development environment for front-end designers and developers.. It functions as an online code editor and open-source learning environment, where developers can create code snippets, creatively named "pens", and test them.
CodePen is a tool in the Text Editor category of a tech stack.

Who uses CodePen?

Companies
8 companies reportedly use CodePen in their tech stacks, including CityLiv, E-Learning @ FAA, UIUC, and World Wide Developers.

Developers
147 developers on StackShare have stated that they use CodePen.

CodePen Integrations

Outline, Nuclino, XWiki, SlimWiki, and Archbee are some of the popular tools that integrate with CodePen. Here's a list of all 5 tools that integrate with CodePen.
Decisions about CodePen

Here are some stack decisions, common use cases and reviews by companies and developers who chose CodePen in their tech stack.

Needs advice
on
CodePenCodePen
and
GitHubGitHub

Brand new (1 week) to coding. Corona killed my industry so I"m making a career change after 25 years. Studying HTML and CSS to become "vertically" proficient, before moving on to JavaScript. So at what point do I need to make a decision on CodePen vs GitHub?

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CodePen Alternatives & Comparisons

What are some alternatives to CodePen?
GitHub
GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over three million people use GitHub to build amazing things together.
CodeSandbox
CodeSandbox allows developers to simply go to a URL in their browser to start building. This not only makes it easier to get started, it also makes it easier to share. You can just share your created work by sharing the URL, others can then (without downloading) further develop on these sandboxes.
Codeanywhere
A development platform that enables you to not only edit your files from underlying services like FTP, GitHub, Dropbox and the like, but on top of that gives you the ability to collaborate, embed and share through Codeanywhere on any device.
JSFiddle
It is an online community for testing and showcasing user-created and collaborational HTML, CSS and JavaScript code snippets, known as 'fiddles'. It allows for simulated AJAX calls.
Atom
At GitHub, we're building the text editor we've always wanted. A tool you can customize to do anything, but also use productively on the first day without ever touching a config file. Atom is modern, approachable, and hackable to the core. We can't wait to see what you build with it.
See all alternatives

CodePen's Followers
230 developers follow CodePen to keep up with related blogs and decisions.