A few types of traditional sauces exist for pizza, there is the typical red or tomato based sauce which is probably the favorite of most. The tomato sauce can be quite varied from a fresh tomato sauce that isn’t heavily spiced to one that screams oregano and red pepper. It can be chunky or pureed; thick or thin or even sweetened. The texture and taste of your sauce is really all about preference but at minimum a bit of salt is always a good addition to bring out the sweetness of the tomatoes.
Pesto sauce is an excellent alternative to using a tomato sauce for pizza. The main ingredient in pesto is fresh basil and extra virgin olive oil. Making pesto sauce involves the use of a considerable amount of basil. If you don’t have access to an inexpensive source of basil some excellent pesto sauces exist in jars in the pasta sauce section at your grocery. Once again the more expensive or smaller brands will most likely have a better product than the big manufacturers.
One last favorite although not a true sauce is just using some extra virgin olive oil drizzled on your dough with a little fresh black pepper and then your toppings. If try this keep your cheese light and the amount of toppings light as well. This definitely shines best when you keep it simple.