Things I found online and keep coming back to.

Lucide Animated

467 Lucide icons animated with Motion. MIT, added through the shadcn CLI.

lucide-animated.com · icons↗

Heroicons Animated

316 Heroicons animated with Motion. MIT, added through the shadcn CLI.

heroicons-animated.com · icons↗

Hugeicons Animated

Hugeicons with Motion animations, installed one icon at a time through the shadcn CLI.

hugeicons-animated.com · icons↗