Tartan Systems is a suite of open source financial accounting programs comprising, inter alia, the following modules:General Ledger (Nominal Ledger)Creditor's Ledger (Accounts Payable)Debtor's Ledger (Accounts Receivable)Store's Ledger (Inventory)Sales InvoicingAsset's RegisterMember's Ledger (Sports and Other Clubs)Rental's LedgerSalaries and Wages (ZA)Staff LoansThe modules are written in the Python programming language, licensed under the GPL and copyrighted by Paul Malherbe. Because Python is platform independent, Tartan is equally at home with both the Linux and Windows operating systems.