Cr8tivity.com is a pretty cool site, they offer Etsy sellers a simple way to view things like who hearts you and your shop statistics, we've seen these things right.
There is an Inventory helper, which is an Excel file download (csv format) of your current listings as it is returned by the Etsy API. You can open it in MS Excel or OpenOffice. It contains the columns Listing Id, State, Title, Creation Date, Number of Views, Price, Expiration Date, Quantity, Section Title, Sold?, Listing Fee, Selling Fee, Shipping Fee, and Date Sold. Use it to keep track of your inventory.
Also offers you a simple way to pull up an item in your shop (it carries over your listings for you) and with a simple click you can create a flyer to print and use. It also allows you to edit your listings description and cost for the flyer: very cool!! But even COOLER is the slide show widget - (*so exited*), they automatically pull up all of your Etsy listings and put it in a slide show, you need only copy and Post the html into your blog layout!! YOU HAVE GOT TO TRY IT!!! I did it in 2 minutes: REALLY!