collect. catalog. cache.
Cache allows you to catalog all of your belongings in one convenient location. Find gift ideas for friends, track who you lent that book to, or find that last piece for your collection.
Use your Cache Apparel page to show off that new outfit, plan ahead to coordinate with friends, or figure out who was wearing what and where to get your own.
Have to file an insurance claim? Assign items a location and value so that next time you are prepared. Export plain text lists to easily figure out what has been lost.
There are several apps that perform part of what I am going for, but none of them combine more than one type of collection.