GnuCash Double-Entry Accounting Program.

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

Moneydance is a personal finance software application.

Sophos UTM Appliances with Firewall Sandboxing Provides Maximum Network Protection at an Affordable Price.

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

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

MonkeyPeanuts.com is an online personal finance tool to help you manage your budget and save money.

inoERP is an open source web based enterprise management system.