GnuCash is a full-featured double entry accounting application. While initially designed to provide personal accounting features similar to the popular Quicken program, it has since grown to support accounting for small businesses and nonprofit entities. For personal accounting, the software includes features for budgeting, forecasting, automated scheduled transactions, bank and credit account...

Ledger is a command-line accounting tool designed for technical users who have a love of plain-text formats. Creator John Wiegley describes Ledger's approach as "the Bran Muffin of accounting tools." Rather than providing a user interface and integrated set of tools to manage accounting data, Ledger is designed to be used as one in a set of small, composable tools in the spirit of the UNIX...