Dolibarr is a simple Web application with ERP and CRM capabilities. It is designed for small and medium companies, freelancers or foundations, and can be used to deal with all things you require to manage your activities, such as management of products, stocks, commercial proposals, invoices, orders, members of a foundation, and mailings. A single executable that installs the server and database is available for people with no technical knowledge.
QHacc is a personal accounting program based on Qt. It features double- or single-entry bookkeeping and a reconciliation window. It also provides support for memorized and split transactions, graphing, reporting, archiving, and scheduled transactions that can be based on the account balance.
jGnash is a personal finance application written in Java. Java 7 is required. jGnash supports several account types, including investment accounts. It has support for split transactions, nested accounts, scheduled transactions, commodities, and currencies. It can import OFX and QIF files, excluding investment accounts and transactions. Data is stored in an XML format so it is easy to manipulate and read the data external to the program. jGnash also has scripting support to add custom reports and functionality.
Tiny ERP is a complete ERP and CRM. The main features are accounting (analytic and financial), production management (MRP), stock management, sales and purchases management, task automation, marketing campaigns, help desk, POS, etc. Technical features include a distributed server, flexible workflows, an object database, a dynamic GUI, an XML-RPC interface, and customizable reports.
The Amberdms Billing System is a Web application that provides accounting, invoicing, service billing, and time keeping functions. It is designed for small and medium businesses. This program is developer-friendly with a SOAP API, as well as being appropriate for ISPs with service usage billing features.