SQL-Ledger is a multiuser accounting system written in perl. Data is stored in a SQL server (PostgreSQL or Oracle) and data entry and display is through a GUI or text based browser. Fully customizable with external code. The API may also be used to interface with other disparate systems. Features include: General Ledger, Accounts Receivable, Accounts Payable, Sales and Purchase Orders, Foreign Currency, Multiple Payments, Customizable Templates, Postscript and PDF output, Inventory Control, Chart of Accounts, Setup Utilities, and Administrator module.