GnuCash Double-Entry Accounting Program.

KMyMoney strives to be the easiest open source personal finance manager to use, especially for the non-technical user.

Tryton is a three-tier high-level general purpose computer application platform on top of which is built an Enterprise resource planning (ERP) business soluti…

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

ZipBooks is an online accounting platform.