FreshBooks is described as 'Send, track and collect payments quickly. Great for teams, freelancers and service providers' and is an app in the Business & Commerce category. There are more than 100 alternatives to FreshBooks for a variety of platforms, including Online / Web-based, Windows, iPhone, Mac and Android. The best alternative is GnuCash, which is both free and Open Source. Other great apps like FreshBooks are InvoicePlane (Free, Open Source), Harvest (Freemium), Dolibarr (Free, Open Source) and Invoice Ninja (Freemium, Open Source).