Abstract provides a basic flow-based accounting model. It supports processing of multiple economic resources. It automatically calculates the value of accounting transactions given information on resource transfers. This also includes automatic revenue recognition and profit/loss calculation on a per-transaction basis.
FreeDebks (Free Double Entry Bookkeeping System) is simple double entry accounting software. It stores data in an XML format. FreeDebks has a simple and intuitive GUI. It provides a totally customizable chart of accounts, so each user will reach their needs. It also provides features to help the user write entries and close the accounting. FreeDebks is not an ERP. With FreeDebks, you can only do accounting. It targets people with at least basic accounting skills who want to keep books for themselves or an association or a small company.
ISPacct (formerly Brickacct) accounts the logfiles which Bintec routers spew out depending upon configurable rules. Logfile-analyzing mail accounting functionality is also included (in beta stage). It has multiple backends like text, HTML, and MySQL. It was designed and used by a small ISP and is geared towards such uses as monthly accounting per IP or per dial-in use.
Kraft is a KDE application for people who run a small business. It helps create and manage business communication documents like offers and invoices, and focuses on ease of use and high quality PDF output. Kraft is not a specialized in a certain trade or craft. Instead, it covers the practical issues of a small business and helps through easy-to-use yet powerful features to deal with most of the office jobs effectively.
Money Manager Ex is a cross-platform, easy-to-use personal finance program. It primarily helps organize one's finances and keeps track of where, when, and how the money goes. It is also a great tool to get a bird's eye view of your financial worth. It includes all the basic features that 90% of users would want to see in a personal finance application. The design goals are to concentrate on simplicity and user-friendliness; something one can use everyday. It is a complete rewrite of the original Money Manager .NET. It runs on Windows and Linux, and an experimental build is available for Mac OS X.