
CodeSandbox
replit
CodePen
GitHub Codespaces
Glitch
JSFiddle
vscode.dev
Online VS Code Editor for Angular and React

Sibelius
MuseScore
Knock
Finale
Flat for Education
MuseScore.org
Guitar Pro
Online collaborative music score and tab editor, accessible from any device

Which is more popular?
Based on our record, StackBlitz should be more popular than Flat. It has been mentioned 112 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | stackblitz.com | flat.io |
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| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of StackBlitz yet.
A great and easy-to-use music notation editor on iOS. Flat is an app that lets you create, edit, playback, print and export your sheet music and tabs. Cloud-based, you can also edit scores with your web browser and collaborate in real-time across devices with friends and colleagues.
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.


No analysis of StackBlitz yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
StackBlitz - Online Code Editor For Angular and React - Introduction
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing StackBlitz and Flat.
Flat's answer:
Extremely Intuitive Layout, Collaboration feature and cross-device usage
Flat's answer:
Flat is perfect for beginners and professionals alike.
Share your experience with using StackBlitz and Flat. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


All applications created on StackBlitz also get deployed automatically on their servers! So, this Angular toy app I just created is hosted automatically on https://angular-yvyi2j.stackblitz.io/. Most likely, the URL...
I've started using this as my main IDE for new projects when I'm trying things out. If it keeps getting better at the rate it has been, it'll be even better than coding locally.
StackBlitz claims to allow you to code the future in your browser. And after trying it, I’m confident you’ll agree that this web application is extremely useful for coders.
We have no reviews of Flat yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Managing reactive state and dependent computations in JavaScript can get complex, especially when combining asynchronous and synchronous data. RS-X is a library that allows you to bind expressions to plain objects and makes the parts of... - Source: Hacker News / 7 months ago
I like htmx, LiveView, React and Solid. They are great at different points, so I try to combine them in Solv (Stateless Offline-capable LiveView) and write a prototype to show the benefits. Solv's main idea is that stateless servers keep... - Source: Hacker News / 10 months ago
I like htmx, LiveView, React and Solid. They are great at different points, and this is a prototype trying to combine them. Solv's main idea is that stateless servers keep client's state in a volatile cache. It enables server components... - Source: Hacker News / 10 months ago
Unless a piece you want has been recreated or arranged on MuseScore or flat.io, you must buy your own music unless someone wants to give some old music to you. Source: over 3 years ago
I was able to do this with flat.io. Source: over 3 years ago
The web-based options are, unsurprisingly, more limited. flat.io is pretty bad, Noteflight is better but still very limited and quite bad to use. There's some more niche stuff like Unison but it might not be the most accessible. Source: over 3 years ago
When comparing StackBlitz and Flat, you can also consider the following products.


Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
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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 StackBlitz or Flat:

Our goal is to let musicians from all over the world create and share their works, as well as to make learning music exciting, easy and available for all.
Compare MuseScore to StackBlitz or Flat:

