The best alternatives to appealing are UI Patterns, UI Garage , and Mobile Patterns. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of appealing?
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Loaf (previously known as Motion) is your animated SVG icon library! Use it to quickly find an icon you like make some tweaks and adjustments and plug it into whatever project you are working on! There are hundreds of icons to use and it's free to get started!