Packing Pro - The purpose of this app / software is to create, edit, and view packing lists.
CheckandPack - Best Travel Preparation App with: Expense List, Ultimate Travel Packing list, Route planner, Todo-list and more
Packing List Travel Planner - Smart Packlist for your Trip
Setapp - Your shortcut to prime apps on Mac, an App Store alternative
TripIt - TripIt is a travel app that creates a master itinerary to organize all of your plans for your vacation or work trip in one spot.
DailyTekk - Talking about tech for a living.