Yes, this is saved per user. Meaning your selection is saved for your user account specifically. Your selection does not affect other users and vice versa.

It is also saved per IXON Cloud company. Meaning if you're a user in multiple companies, your selection in one company will not affect your view in another company.

No, cards in the Data sources overview cannot be customized. They provide a set compact overview of each data source's settings at a glance.

Data sources are sorted alphabetically.

Sorting can be changed by clicking the column headers (rotating between "A-Z" > "Z-A"). Note that sorting is NOT saved and will reset to default the next time you refresh or open the Data sources overview.