GnuCash Double-Entry Accounting Program.

HomeBank is a personal accounting software package that runs on OpenBSD, Linux, FreeBSD, Microsoft Windows, Mac OS (via macports or homebrew) and AmigaOS.

You Need a Budget combines easy software with Four Simple Rules to help you quickly gain control of your money.

Money Manager EX is a simple money management software, released free and available for Windows, Linux, MacOS, Android and iOS.