Best Invoicing Software for Small Businesses If you buy something through our links, we may earn money from our affiliate partners. Learn more. Invoicing software provides an easy way for small businesses to streamline billing operations. These tools allow business owners and freelancers to request payments and get paid faster. Some even offer advanced features like time tracking, project management, and the ability to send recurring invoices. Every business is likely to have different needs when it comes to their invoice software. But there are plenty of options available to meet every need...