StackBlitz Alternatives

Sites and apps similar to StackBlitz include Replit, which has a free version. Other options are CodePen, jsFiddle, JSPad and AWS Cloud9. Code Editors like StackBlitz are a crowded field, with more than 25 alternatives for Android, Mac, Windows, Linux and iPhone.

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StackBlitz alternatives page was last updated May 8, 2025

fastpen
2 likes
Fastpen is an open source alternative to codepen that just stores the source code compressed, in the url.
Cost / License
Free
Open Source (MIT)
Application type
Code Editor
Platforms
Online
Good alternative?Is fastpen a good alternative to StackBlitz?
Leporello.js
Like
Leporello.js is an interactive functional programming environment for JavaScript.
Cost / License
Free
Open Source
Platforms
Online
Self-Hosted
Good alternative?Is Leporello.js a good alternative to StackBlitz?
Diploi
3 likes
Single SaaS service for managing, developing and hosting your full applications. You can ship code from your browser or using your preferred IDE, without having to install anything or managing servers, your app is online instantly. Only pay for the time your apps are online.
Cost / License
Freemium
Proprietary
Application typeApplication types
Web Hosting
Cloud Hosting
Origin
Finland
EU
Platforms
Online
Software as a Service (SaaS)
Finland
EU
+2
Good alternative?Is Diploi a good alternative to StackBlitz?
Ad
Replit
Replit is a collaborative cloud development environment offering in-browser IDE features like AI assistance, real-time collaboration, Git support, hosting, deployment, syntax highlighting, plugin extensibility, ad-free UI, dark m...

https://replit.com
Learn More
JSArena
2 likes
Simple Code Editor for playing with Javascript and Conducting Interviews. New alternative for JSBin and JSFiddle.
Cost / License
Free
Open Source (MIT)
Application type
Code Editor
Platforms
Online
Software as a Service (SaaS)
Good alternative?Is JSArena a good alternative to StackBlitz?
Spck Editor
3 likes
A full-fledged, embeddable, online editor for private, offline web projects. Integrates with Github, and is also mobile friendly!.
Cost / License
Free
Proprietary
Application type
Code Editor
Platforms
Online
Android
Good alternative?Is Spck Editor a good alternative to StackBlitz?
Pinocode
2 likes
Pinocode is an Offline code playground for frontend development right in your browser. It provides you a cool environment to practice frontend development using HTML, CSS and JavaScript. With support for variants and external libraries inclusion.
Cost / License
Free
Proprietary
Application type
Code Editor
Platforms
Mac
Windows
Linux
Chrome OS
Google Chrome
Good alternative?Is Pinocode a good alternative to StackBlitz?
CodeJS
2 likes
CodeJS is a powerful, free online code editor that serves as an excellent alternative to JSBin, CodePen, and JSFiddle. What sets it apart is its unique integration of three AI assistants.
Cost / License
Free
Proprietary (MIT)
Application type
Code Editor
Platforms
Online
Good alternative?Is CodeJS a good alternative to StackBlitz?
Playcode
3 likes
Playcode is an AI website builder and AI app builder for creating, editing, and publishing live web projects. Describe the website, landing page, internal tool, or app you need in plain language, refine the result with AI chat and visual editing, and publish with hosting, SSL...
Cost / License
Freemium
Proprietary
Origin
United States
Platforms
Online
United States
+3
Good alternative?Is Playcode a good alternative to StackBlitz?
HTCSJS (HTmlCSsJS)
3 likes
HTCSJS is an online HTML, CSS and JavaScript coding tool. It functions on mobile (unlike JSFiddle), and allows any* external resources. It also allows pasting on iOS, unlike many others. http://shhnowisnottheti.me/demo/

*varies b/c it uses data URLs
47 HTCSJS (HTmlCSsJS) alternatives
Cost / License
Free
Open Source
Application type
Code Editor
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Chrome OS
Android Tablet
Windows Phone
iPad
jsFiddle
JS Bin
CodePen
+4
Good alternative?Is HTCSJS (HTmlCSsJS) a good alternative to StackBlitz?
Blnq Studio
2 likes
A collaborative online web development platform using HTML, CSS and JavaScript with a focus on design systems and financial applications.
Cost / License
Free
Proprietary
Application type
Code Editor
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
Windows Phone
iPad
Software as a Service (SaaS)
Good alternative?Is Blnq Studio a good alternative to StackBlitz?
Aaditor
2 likes
Aaditor is World's first HTML editor with drag layout. Aaditor has a function of full screen result. You can change the layout of Aaditor according to your wish. All the html,css and js boxes of Aaditor can be dragged , resized and minimized .
Cost / License
Paid
Proprietary
Application type
Code Editor
Platforms
Mac
Windows
Linux
Good alternative?Is Aaditor a good alternative to StackBlitz?
ESNext Bin
1 like
Write ES2015 code and import modules from npm.
Cost / License
Free
Proprietary
Platforms
Online
Good alternative?Is ESNext Bin a good alternative to StackBlitz?