Oolong is described as 'A simple budget replacement that helps you decide if you can afford that new apartment, furry friend, or vacation to Japan' and is a Budget Manager in the business & commerce category. There are more than 100 alternatives to Oolong for a variety of platforms, including Windows, Web-based, Mac, iPhone and Android apps. The best Oolong alternative is GnuCash, which is both free and Open Source. Other great apps like Oolong are HomeBank, MoneyManager Ex, Actual Budget and Firefly III.