
CodePen
replit
JSFiddle
StackBlitz
GitHub
VS Code
JS Bin
Online playground for React

Stripo
Topol.io
BeeFree.io
BeeFree
Postcards
Chamaileon.io
MJML
Embeddable email editor and page builder for SaaS and CRMs

Which is more popular?
Based on our record, CodeSandbox seems to be a lot more popular than Unlayer. While we know about 313 links to CodeSandbox, we've tracked only 2 mentions of Unlayer.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | codesandbox.io | unlayer.com |
| Pricing | — | |
| Company | Startup from The Netherlands · 1 - 9 employees · 2017 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Unlayer yet.
Walkthroughs and reviews on video.
A browser IDE that's actually GOOD? (CodeSandbox.io Review!)
More videos
How to Build a Custom Tool in Unlayer Dashboard?
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodeSandbox and Unlayer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Codesandbox is an online code editor and prototyping tool that makes creating and sharing web apps faster. Codesandbox: Online code editor and ide for rapid web development.
CodeSandbox can be thought of as a much more powerful and complete take on JSFiddle. True to its name, CodeSandbox provides a complete code editor experience and a sandboxed environment for front-end development.
Please, take a look at our table where I compared some peculiar features of 4 responsive email template builders mentioned above: BeeFree, Topol, Unlayer, and Stripo.email.
Recommendations tracked on public social media and blogs since March 2021.


To begin, you can start creating your own react app using the command line or can directly go to CodeSandbox if you want to skip using the command line which is faster. CodeSandbox is an online code editor and prototype tool that speeds... - Source: dev.to / 5 months ago
To begin, you can create a react app using the command line or any code editor (e.g., VSCode). You can also try using CodeSandbox as an online code editor that is simple to use and allows you to deploy your code. - Source: dev.to / 5 months ago
If you are in a rush to open unknown repos, use GitHub Codespaces or codesandbox with Copilot or another AI integration to analyze the repo for malicious intent and to run it in a safe environment. - Source: dev.to / 11 months ago
Unlayer is an open-source drag-and-drop email editor that allows users to create emails with minimal effort. When used with the React framework, it serves as a wrapper component that provides a developer-friendly visual email builder for... - Source: dev.to / almost 2 years ago
Before that we had some luck using RazorLight, but we did all email templates in an editor Unlayer, exported the html and made a layout and view files. Source: over 3 years ago
When comparing CodeSandbox and Unlayer, you can also consider the following products.


Stripo is an all-in-one email builder with a drag-and-drop editor and full HTML/CSS code editor in one tool, cutting production time by 3.7× — build emails of any complexity, including interactive AMP, really fast and easy.
Compare Stripo to CodeSandbox or Unlayer:

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

Create professional Email templates easily - Drag & Drop Email Builder.
Compare Topol.io to CodeSandbox or Unlayer:

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Compare JSFiddle to CodeSandbox or Unlayer:

Bee is MailUp's drag-&-drop editor for responsive design emails.
Compare BeeFree.io to CodeSandbox or Unlayer: