A weirdly-recurrent theme of good user experience is finding controls to use instead of dropdowns. The Selection Controls Cheatsheet (one of the many cheatsheets and one-pagers in Learn UX Design) makes this process easier by laying out the most-used controls in various categories:
It's a printable, easy-to-reference guide that is only available for free by signing up for the Design Newsletter (which features occasional, original articles on UX/UI design – and has over 30,000 subscribers).
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