Beancount is described as 'A double-entry bookkeeping computer language that lets you define financial transaction records in a text file, read them in memory, generate a variety of reports from them, and provides a web interface' and is an app in the Business & Commerce category. There are six alternatives to Beancount for a variety of platforms, including Mac, Windows, Linux, iPhone and Android Tablet. The best alternative is GnuCash, which is both free and Open Source. Other great apps like Beancount are KMyMoney (Free, Open Source), Ledger (Free, Open Source), hledger (Free, Open Source) and FI Scouts (Free).
KMyMoney is a cross-platform personal finance manager built on KDE frameworks technologies for your desktop and notebook environment. It enables users to keep careful track of their personal finances by providing a broad array of financial features and tools.
Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line. This may put off some users, since there is no flashy UI, but for those who want unparalleled reporting access to their data there are few alternatives.
Oolong is a simple budget replacement that helps you decide if you can afford that new apartment, furry friend, or vacation to Japan. Whereas other budgets take forever to setup and require meticulous input... Oolong takes just 5 minutes!