A broader range than the travel-specific gadgets — this is where the useful items that don't fit a neat category end up.
Some of it is for the trip: adapters, chargers, compact tools. Some of it is for home and happens to travel well. The common thread is that each one replaces something bulkier or solves a problem with an annoying workaround.
If you're packing for a trip specifically, the travel gadgets range is the tighter selection.