arr-diff
Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.
natural-orderby
Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.
array-differ
Create an array with values that are present in the first input array but not additional ones
mergician
Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.