GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
MoneyMoney - Alle Bankkonten im Blick mit MoneyMoney. Finden Sie heraus, wo Ihr Geld herkommt und wo es hingeht.
KMyMoney - KMyMoney is a personal finance manager for KDE.
Pecunia - Open Source HBCI Pin/TAN Online Banking Software.
GoDBLedger - GoDBLedger is an Open Source Accounting System that aims to provide the user with normal programming goodies that finance systems tend to lack. It includes GRPC endpoints and a MySQL database backend so you can actually analyse your financial data.
Mint - Free personal finance software to assist you to manage your money, financial planning, and budget planning tools. Achieve your financial goals with Mint.