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

FormAssembly
Lead Forms by GoSquared
Lead Retrieval App
The smart way to collect leads on the go

Which is more popular?
Based on our record, StackBlitz seems to be more popular. 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 | getheap.app |
| Pricing | ||
| Company | — | Startup from the United Kingdom |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of StackBlitz yet.
Do you attend trade shows, conferences, or any kind of event where you might meet potential clients? Then Heap App is for you. Heap App let's you quickly save contact details in whatever way is more convenient for you at any given time — take a picture of a business card, use dictation, type...
What each product offers, as listed by its team.


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
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing StackBlitz and Heap App.
Heap App's answer:
We designed Heap App to get out of your way and enable face-to-face conversations. You can use it to quickly save contact details and get back to connecting with your prospective clients.
Heap App's answer:
Busy sales people that attend conferences, trade shows, and are generally on the go.
Share your experience with using StackBlitz and Heap App. 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 Heap App 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
Tracking Heap App since Jan 2026.
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Lead Retrieval App is a lead generator and contact information collector software via using the digital infrastructure and is designed for the exhibitors.
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