What are the best CSS Pre-processors / Extensions Tools?

Sass, Animate.css , Less, Autoprefixer, and PostCSS are the most popular tools in the category "CSS Pre-processors / Extensions".


Sass
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Animate.css
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Less
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Autoprefixer
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PostCSS
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Stylus
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Compass
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Bourbon
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CSS Modules
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node-sass
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Stitches
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PurifyCSS
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Tailwindcss JIT
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CSS Scan Pro
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Compiled
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goober
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astroturf
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CJSS
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UnoCSS
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PreCSS
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katana-parser
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Parcel CSS
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Griffel
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