You can build a collection of bottles on whiskybase and keep track of your collection of full, open, empty and sample bottles.
In order to create the collection you should create an account on whiskybase.
When logged in and open a single Whisky page you will see the following icons / menu options:
The add to collection gives you the option to add the bottle to the collection and select in which list this would be placed.
In the screen that is shown below (which will appear after you clicked: add to collection you can add the status of the bottle:
closed, open, empty or sample.
Also adding the price paid for the bottle and a particular list you want to use to keep track of your collection.
The screen also shows if you have these bottles and their current status.