Billy Accounting is described as 'Extremely easy-to-use accounting software designed for freelancers, designers and others who wish to follow their passion without having to learn double-entry accounting' and is a Invoicing software in the business & commerce category. There are more than 10 alternatives to Billy Accounting for a variety of platforms, including Web-based, Windows, SaaS, iPad and iPhone apps. The best Billy Accounting alternative is SmoothLedger, which is both free and Open Source. Other great apps like Billy Accounting are Intuit QuickBooks, FreshBooks, Zoho Invoice and Sleek Bill.