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

Raindrop.io
TheSaved.app
Recall.it
Dewey Bookmarks
My Mind
Sorti
Stasht.app
Save web pages. Both you and your AI agents curate, search, and build on them - together. One knowledge base. Every tool.

Which is more popular?
Based on our record, CodeSandbox seems to be more popular. 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 | solem.ai |
| Pricing | ||
| Company | Startup from The Netherlands · 1 - 9 employees · 2017 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CodeSandbox yet.
Solem is the personal knowledge layer for AI. Save any web page with a keyboard shortcut and it becomes persistent, searchable context your AI tools can use. Instead of re-explaining your work in every chat, Solem lets Claude, ChatGPT, Cursor, and other MCP-compatible tools reference what you’ve...
What each product offers, as listed by its team.


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


Share your experience with using CodeSandbox and Solem. 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.
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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
Tracking Solem since Mar 2026.
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All your articles, photos, video & content from web & apps in one place.
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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.
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The Saved turns everything you've saved IG, TikTok, YouTube, podcasts, the web into an organized & searchable vault your AI can use. Built-in MCP server lets Claude, ChatGPT & other agents search and act on your saved content directly.
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Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
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Second Brain that saves, summarizes, and lets you chat with articles, PDFs, YouTube videos, and podcasts.
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