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A front end web development playground.
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Tomorrow's editor, today. Windsurf Editor is the first AI agent-powered IDE that keeps developers in the flow. Available today on Mac, Windows, and Linux.
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aider is AI pair programming in your terminal.
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Online playground for React.
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Celp is an AI-Driven Unit Tests with Contextual Understanding. Built with agentic design, Celp deeply understands your codebase, making 100% code coverage achievable.
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The simplest way to learn Vim.
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An extendable version manager.
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Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
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Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications.
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Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages β without spending a second on setup.
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TabNine is the all-language autocompleter. We use deep learning to help you write code faster.