GNU Radius is a RADIUS server and an accompanying set of monitoring utilities. It features MySQL and PostgreSQL interfaces for authentication and/or logging (the ODBC interface allows you to use almost any existing DBMS for that purpose), the ability to rewrite RADIUS requests from various NASs to normalize them to a more understandable format, and the ability to completely customize the behavior of RADIUS authentication and accounting based on NAS and user attributes.
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.
CUON is an ERP system with a powerful document management system. The server runs on Linux systems. The client works on Linux, Windows, and some small PDAs like the Nokia N800. You can manage addresses, articles, projects, and so on. On some installations, more than 1,000,000 adresses are supported. CUON has its own report server to build documents and reports and a Web server for iCal and scheduling.
Binary Vibes BizSense is a CRM and ERP Web application especially suited for small and medium sized businesses. Some of the salient features of the software are sales force automation, marketing automation, inventory (products, stocks, and warehouses), financial accounting (invoice, vouchers, and ledgers), collaboration tools (calendar and email), customer service (ticketing and case management), project management, HR recruitment, and leave management. It also provides free addon modules.
Famflows is a program which tracks "flows" of energy and materials inside a household. It has an alternative approach from double entry accounting systems. In those systems (like gnucash or jgnash), the transactions are balanced in numeric value. In famflows, instead, the transactions are balanced in the conversion, but not in the numeric value.