I go to an Italian grocery store near my house that has an aisle filled with different flavors of syrup. I know you can make Italian soda by mixing it with carbonated water but I was wondering what other things you can make with them?
Any kind of flavoring, really, so long as the application will accept a syrup substance. They make killer milkshakes / malts. Add them to all kinds of desserts, beverages.
I've occasionally replaced extracts and granulated sugar in a recipe with a flavored syrup but you have to experiment with the right combinations as this tends to either overpower the dish with flavor or not make it as sweet.
Coffee flavoring; Pouring it over Ice Cream; Mixing it with Cottage Cheese as a snack;
I always enjoyed using them in vanilla ice cream milkshakes! Coconut is divine!
To dress up hot chocolate. I particularly like raspberry and orange for this purpose, but many of them compliment chocolate nicely.
I'm Italian but I had to search "Italian soda" with Google to understand what you are talking about.
In fact Wikipedia, English edition, rightly says:
In spite of its name, Italian sodas originated in the United States, not Italy.