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

Feedly
Inoreader
NewsBlur
Tiny Tiny RSS
Reeder
Feedbin
Flipboard
Read all your favorite online content in one place. Import your subscriptions in one click, find your friends, and start sharing.

Which is more popular?
Based on our record, CodeSandbox should be more popular than The Old Reader. It has been mentioned 313 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codesandbox.io | theoldreader.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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
A browser IDE that's actually GOOD? (CodeSandbox.io Review!)
More videos
How to use The Old Reader
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodeSandbox and The Old Reader. 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.
The Old Reader The Old Reader is an RSS reader that is designed to be simple and easy to use. It offers a minimalist interface, and allows you to subscribe to RSS feeds and import your subscriptions from other...
If you’re tired of using RSS apps in isolation and want to share content with your friends, then The Old Reader is the app for you.
If you and your friends all like reading the same types of content, The Old Reader is an easy way to share your recommendations with each other. Following people on The Old Reader is again a great medium to find new...
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
Https://theoldreader.com has been my go-to since google reader was killed. It's pretty good at sussing out the rss feed of random blogs if one exists, too. - Source: Hacker News / about 1 year ago
The Old Reader (https://theoldreader.com) in the browser. - Source: Hacker News / over 1 year ago
I use https://theoldreader.com/ it's been reliable and trouble free since the death of google reader. - Source: Hacker News / over 1 year ago
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