Going to start as freelance dev soon. Since I needed an invoice system, I looked around to see what I liked. I will give Harvest a try but there are other great options out there (it all depends on your situation).
Made an overview for myself based on some research I did so might as well share it here: goo.gl/forms/czxt0RhNQB
Made an overview for myself based on some research I did so might as well share it here: goo.gl/forms/czxt0RhNQB