Best Programming Tools in 2025
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/regexr-alternativesRegExr.com is an online tool to learn, build, and test Regular Expressions.
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/regular-expressions-101-alternativesExtensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
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/replit-alternativesCode, 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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/codepen-alternativesA front end web development playground.
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/jsfiddle-alternativesTest your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
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/regex-crossword-alternativesWelcome to the fantastic world of nerdy regex fun!
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/codesandbox-alternativesOnline playground for React
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/rubular-alternativesA ruby based regular expression editor
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/regexone-alternativesRegexOne offers learning regular expressions with simple, interactive examples.
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/eloquent-javascript-alternatives
Free ebook for the JS Beginners
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/asdf-vm-alternativesAn extendable version manager
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/productivity-power-tools-alternativesExtension for Visual Studio - A set of extensions to Visual Studio 2012 Professional (and above) which improves developer productivity.
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/node-js-alternativesNode.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications