The creator of PostCSS, Autoprefixer, Browserslist, Nano ID, OKLCH color picker and many other JS ecosystem projects

I'm a JavaScript developer, passionate open source advocate, JS spec editor; maintain nvm, enzyme, & polyfills/shims; I help manage IRC & Slack communities. Sponsorship helps me balance family & open source time!

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Web standards fanatic. JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, macOS.

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I'm a full-time open-sourcerer focused on Swift and JavaScript. I make Mac apps, I maintain 1000+ npm packages, and I like unicorns.

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I’m Mathias and I write and maintain a lot of open source code. Currently I’ve written and published more than 900 modules on npm, downloaded billions of times over the years - chances are you are already depending on some of these.

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Hi! I love making and sharing utilities, frameworks, and tools. And I especially enjoy pushing JavaScript's performance limits! However, this all takes time to do well. Please consider supporting my efforts if you enjoy my work.

ESLint helps you find and fix problems in your JavaScript code.

A mighty, modern linter that helps you avoid errors and enforce conventions in your styles.

Content as structured data, powering @remarkjs, @rehypejs, @retextjs, and @redotjs

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