CodePen
JSFiddle
CodeSandbox
GitHub
replit
VS Code
Pastebin.com
JS Bin
OpenAI Codex CLI
Zed
VS Code
Gemini CLI
opencode
aider
warp by spolu
GitHub Copilot
CodePen
OpenAI Codex CLIBased on our record, CodePen seems to be a lot more popular than OpenAI Codex CLI. While we know about 511 links to CodePen, we've tracked only 34 mentions of OpenAI Codex CLI. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
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 / 9 months ago
CodePen is where creativity meets frontend code. You can write HTML, CSS, and JavaScript and see results instantly in the browser. - Source: dev.to / 11 months ago
For those preferring agent-based approaches, Replit Agent shines. Khris Steven, Founder of KhrisDigital Marketing, notes, "You can simply describe what you want your app to do in plain English, and Replit Agent will generate the code and deploy it." This natural language interface fosters collaboration, turning ideas into deployable apps in minutes. - Source: dev.to / 11 months ago
After wrapping everything up, I hosted the final toggle on CodePen so others could test it out and learn from the approach. What started as a simple idea became a complete, responsive, and accessible component, thanks to a process that blended creativity with automation. - Source: dev.to / 11 months ago
For this CSS Art challenge, I wanted to step out of my comfort zone. While I've used CSS extensively for web apps and websites, I had never built an art piece purely with CSS. I started by diving into codepen and other inspiration sites, getting a feel for what was possible. Eventually, a rough sketch of an office atmosphere in Excalidraw became my guiding vision. My goal was to depict a typical office scene,... - Source: dev.to / 12 months ago
Test-drive it with Pro (5x or 20x) for a month. Download the Codex CLI client from https://github.com/openai/codex and auth it in the browser via the URL it provides. Set the model to 5.6-Sol and effort to max. - Source: Hacker News / about 21 hours ago
OpenAI doesn't require that; only Anthropic does. OpenAI's harness is fully open source[1], and (AFAIK) doesn't come with any kind of signed-build request integrity verification like Claude does. And by that logic, if you're allowed to use their API with a fork of Codex that you yourself compiled, there's nothing stopping you from making some other harness act like such a fork. [1] https://github.com/openai/codex. - Source: Hacker News / 6 days ago
The next obvious step was installing Codex. Not only for working on projects, but also for managing the server itself. - Source: dev.to / 9 days ago
Codex is open source https://github.com/openai/codex/ it's definitely geared towards openai but it is completely open source. - Source: Hacker News / 9 days ago
Well, everyone's bashing on OpenAI as well they should, but just a reminder, unlike Claude Code, Codex is officially available to customize here: https://github.com/openai/codex It's fairly easy to patch. - Source: Hacker News / 18 days ago
JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
Zed - Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
CodeSandbox - Online playground for React
VS Code - Build and debug modern web and cloud applications, by Microsoft
GitHub - 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.
Gemini CLI - Free and open source, Gemini CLI brings Gemini directly into developersโ terminals โ with unmatched access for individuals.