Housekeeper helps you keeping track of any items (like food or drugs) in your household. You can specify expiry dates so you always have an overview of what you should use or rebuy in the near future. Also, shopping lists can easily be created an exported.
Please see the Requested features tracker for planned features. If you have an idea for an additional feature please don't hesitate to create a new entry to the tracker or post a message to the forums!