Freshbooks (cheap accounting) or Wave (free accounting, pay per transaction) are your best bet. They all basically have finance and invoice tracking, accounting etc. At the end of the day these things are differentiated mainly on pricing model (Wave is made for 9 people or less businesses!) or whatever project management add-ons they support that make your particular industry's finance easier to manage (proposals, RFP integration, time tracking etc).
In my experience making paying you really easy helps so it's quite beneficial for your customer to be able to pay with a cc.
Freshbooks (cheap accounting) or Wave (free accounting, pay per transaction) are your best bet. They all basically have finance and invoice tracking, accounting etc. At the end of the day these things are differentiated mainly on pricing model (Wave is made for 9 people or less businesses!) or whatever project management add-ons they support that make your particular industry's finance easier to manage (proposals, RFP integration, time tracking etc).
In my experience making paying you really easy helps so it's quite beneficial for your customer to be able to pay with a cc.
Lots of good options.