
— Brad Frost / Source (Blog)
A Sketch library is a powerful tool to provide a consistent basis for the design components. The design systems that have recently been updated (status: August 2020) no longer rely on a Sketch library but on Figma.
The following will give you an overview on how you could handle different topics in your sketch library.
As I installed all the different libraries, I recognized it’s not always that easy to see which library is which. Maybe the client / company should be included to the name.

The japanese letter 一 is used to sort a symbol to the end of the list. All other symbols are strictly sorted alphabetically.

— SinnerSchrader for a car manufacturer
The order is implemented with a two-digit numbering.

— IBM
The order is controlled with numbers.

— Ant design
This folder utilities is not named with a special character and sorts itself alphabetically to the end of the list.

— IBM
One underscore sorts the folder _ignore to the top of the list.

— Shopify polaris
Two underscores sort the folder __global to the top of the list.

— SinnerSchrader for a car manufacturer
The letter x sorts the folder to the end of the list.

— Apple
The letter Ω sorts the folder to the end of the list.

— Material design
<aside> 💡 If you describe your viewports by devices, is then for every user clear which viewport width is meant?
</aside>
It seems the library is by default for desktop. One differentiation for mobile can be found.

— IBM
The viewports are described with Mobile, Tablet, Desktop and Desktop large. One symbol set is described by the exact viewport width.

— Shopify polaris
Apple has it easy. 😉

— Apple