Combine 2 cups halved assorted cherry tomatoes with 1/4 cup each white wine vinegar and olive oil, 1 sliced shallot and 2 tablespoons each chopped basil, mint and chives. Season with salt and pepper and set aside. Thinly slice 1 each medium zucchini and yellow squash using a mandoline; spread out on a platter. Top with the tomato mixture and let sit, 30 minutes. Transfer to a bowl.