First I've heard of FreeAgent. I've had Xero recommended to me by others in the same boat, and I personally use Wave just for invoicing (as it doesn't cost me a

First I've heard of FreeAgent. I've had Xero recommended to me by others in the same boat, and I personally use Wave just for invoicing (as it doesn't cost me anything and at least help me keep track of whether I've been paid).