I can't think of too much tomato specific stuff, but....

Chipotle-Mayo (great on everything)
Jalapeno Relish (great for most grill foods)
Dill Pickle Relish (great for most grill foods)
Pomegranate Balsamic Vinegar (great for fruit salads)

Also, I switched to honey roasted peanut butter years ago and I'll die before I go back.