Fondu
Gelato Ops
Ethereum
FlexSmart
Callisto Network
Moralis
Incentivai
Connect Smart Contracts to your Applications and Data

JSFiddle
CodeSandbox
GitHub
replit
VS Code
Pastebin.com
JS Bin
A front end web development playground.
Which is more popular?
Based on our record, CodePen seems to be a lot more popular than SmartContract.com - ChainLink. While we know about 513 links to CodePen, we've tracked only 17 mentions of SmartContract.com - ChainLink.
Website, pricing, platforms and company facts side by side.
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| Website | smartcontract.com | codepen.io |
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What each product offers, as listed by its team.

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An editorial look at what each product does well and who it suits.

No analysis of SmartContract.com - ChainLink yet.
Overall verdict
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Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using SmartContract.com - ChainLink and CodePen. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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Codepen is a social network for developers to show off their work, ask and answer questions, and exchange ideas. It's like a Reddit for coding and design, with a large community of talented web developers.
Codepen is a social development environment that allows developers to showcase their work and experiment with HTML, CSS, and JavaScript in a collaborative space. Codepen’s focus on visual and interactive development...
Codepen is a social development environment for front-end designers and developers. Build and deploy a website, show off your work, build test cases to learn.
Recommendations tracked on public social media and blogs since March 2021.

Klaus Schwab wrote "The Fourth Industrial Revolution" in 2016. On page 143, he directly mentions smartcontract.com. This was a year before Chainlink finished their whitepaper. Source: over 3 years ago
Heres a copy of Klaus Schwabs book, The Fourth Industrial Revolution, written in 2016. Page 143, they mention smartcontract.com You know why? Source: over 3 years ago
Alex co-found smartcontract.com which eventually became chainlink. Source: almost 4 years ago
> I vividly remember IE and many hacks to have css elements properly working in it… The common advice now is to only use CSS that is supported in the last two major versions of each major browser. You can check any css property's support... - Source: Hacker News / about 1 month ago
Thank you, heartfelt... For sharing an artwork, a miracle! Just in case, have you considered publishing the work at platforms as CodePen, where genius Artists/People express their art, too, as you?: // https://codepen.io/. - Source: Hacker News / 2 months ago
Embed on DEV: If you prefer CodePen embed, create a Pen with that HTML and add to the post as: {% codepen https://codepen.io//pen/ %}. - Source: dev.to / 11 months ago
When comparing SmartContract.com - ChainLink and CodePen, you can also consider the following products.

Open source free ICO smart-contract builder
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Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
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Gelato Ops makes it easy to automate arbitrary smart contract functions on blockchains like Ethereum.
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Online playground for React
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Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
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Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
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