Low Sodium Sauce and Pizza Toppings

I was recently diagnosed with Kidney disease and I need to control sodium and potassium in my diet. I don’t worry about the salt in the dough; it’s a low enough percentage that it’s manageable. Sauce is also easy; just leave the salt out. With garlic and a little oregano, I don’t miss salt. 

But things like sausage and pepperoni are a different story. Fortunately my wife is very resourceful and a great cook, and she’s producing recipes for a low sodium pork sausage, as well as other toppings. 

– I haven’t found a thread about low-sodium toppings on the forum. Is there one? 
– Does anyone have some good recipes for low sodium toppings and low sodium pizza in general? 

Thanks in advance.