OpenERP is a complete business application suite. It covers CRM, accounting (analytic and financial), production management (MRP), stock management, sales and purchases management, task automation, marketing campaigns, help desk, POS, and more. Technical features include a distributed server, flexible workflows, an object database, a dynamic GUI, an XML-RPC interface, and customizable reports.
BusinessTools (business_tools) is a Python package for the handling and validation of commonly used business transaction events such as validating Finnish business IDs or generating bank transfer reference numbers. It supports Finnish company IDs, Finnish bank transfer reference numbers, Finnish bank account numbers (BBAN), and international bank account numbers (IBAN).
Jledger is a Java Business Accounting API that consists of invoicing, general ledger, stock/inventory control, and other business APIs that will assist Java developers in building business software with ease. It will take care of the business logic like accounting double entry, Stock Balance and management (FIFO), etc., and seamlessly integrate each part of business operation as a whole.
YaBS is enterprise resource planning software that manages products and contacts as basic data, generates offers, orders, invoices, and reminders from it, and includes basic book keeping. It writes PDF or ODF (OpenOffice format) documents, and is a multiuser system. It is the successor of MP Invoicing. It can use any JDBC compliant database as a backend, and works in heterogenous networks, allowing fine grained security settings. It can also be extended with modules.
AqFinance is the successor to QBankManager. It is a graphical accounting application based on double-entry accounting. The GUI uses the FOX toolkit. The package contains AqFinance (the GUI application), AqFinance-CLI (a command line tool to manipulate and export the AqFinance database), and AqBanking-CLI (a command line tool for online banking tasks). It supports all online banking protocols provided by AqBanking (currently HBCI and OFX DirectConnect). A version supporting EBICS (a German online banking protocol) is also available. AqFinance contains the latest versions of AqBanking, Gwenhywfar, and Libchipcard.