In the middle of the design process, families are needed instantly at the click of a button. Seek seems like the answer, because it is right there, on the ribbon (Insert tab). And Seek claims to have 65,000 Revit® families from hundreds of manufacturers.
Let’s run an experiment. I am working on a project that requires a door that is not in my firm’s standard family library. I type “door” into Seek’s search field and scan the results.