Nice!! Earlier of this year I developed http://cashfloow.com/ for do like this...

Hey Product Hunters! I'm Philip, founder of FreeFlow. FreeFlow is the result of myself always struggling (and often failing) to manage the cash flow of my freelance business. After talking to a bunch of other freelancers, I discovered this a pretty common problem. So I decided to create a web app called FreeFlow that helps freelancers easily manage their freelance cash flow. With the overarching goal of improving your cash flow, FreeFlow also helps you: - Get paid faster with beautifully designed invoices and online payments handled by Stripe - Connect your bank account to see expenses categorized alongside income - Keep better track of clients and projects - Generate invoices directly from tracked time with the built-in timer I'd love to hear what you guys think! Happy to answer any questions. Cheers, Philip

Can you actually set aside money for taxes and then pay taxes via the app? That would be so cool!!