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

Restream
YouTube
Flutin
StreamYard
Vimeo Live
GiveCentral Live
BeLive
Castr.io allows streamers to stream to multiple streaming platforms simultaneously!

Which is more popular?
Based on our record, StackBlitz seems to be a lot more popular than Castr. While we know about 112 links to StackBlitz, we've tracked only 6 mentions of Castr.
Website, pricing, platforms and company facts side by side.
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| Website | stackblitz.com | castr.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
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.


Share your experience with using StackBlitz and Castr. 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 Castr 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
I use castr.io, which is a little less expensive than restream imho. I'm on their Multistream Plus plan, which allows up to 2 concurrent streams and multistreaming to up to 5 destinations. I think they charge $12.50/mo, but I've been... Source: over 3 years ago
We're going to broadcast this PPV through castr.io (looking at 1080p) and I'm currently using an ATEM Mini Pro Extreme ISO (HDMI Inputs). Source: almost 4 years ago
Https://www.100ms.live/ Super low-latency livestreaming API with premium pricing https://castr.io/ All-In-One, ok pricing https://www.api.stream/ Good, pay as you go pricing https://liveapi.com/pricing/ Good, pay-as-you-go pricing... - Source: Hacker News / almost 4 years ago
When comparing StackBlitz and Castr, you can also consider the following products.


Restream is your live streaming companion. Easily broadcast your content live from your browser to 30+ platforms at the same time.
Compare Restream to StackBlitz or Castr:

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 Castr:

Our mission is to give everyone a voice and show them the world.
Compare YouTube to StackBlitz or Castr:


Flutin is an online live streaming platform through which you can easily multistream on 40+ platforms.
Compare Flutin to StackBlitz or Castr: