The Apache Open For Business Project is an enterprise automation software project that includes ERP, CRM, E-Business/E-Commerce, SCM, MRP, and CMMS/EAM functions. It is a foundation and starting point for enterprise solutions and can certainly be used out of the box, but is also great for creating specialized applications.
iFreeBudget is a finance and budget tracking tool for those with limited or no accounting experience. You can use it to manage expenses and track account balances, generate reports, create and save complex filters to search the transaction history, create charts and graphs for assets, liabilities, and daily net worth tracking, view stock prices/quotes, store contacts, email, and phone numbers, and import OFX data for banks and credit cards. It supports the latest Quicken format, and also supports downloading current statement for bank and credit card accounts.
Oness is an ERP, CRM, SRM, and inventory management solution primarily supporting the textile commerce. It is based on J2EE technologies such as Spring, Hibernate, Struts, XDoclet, AspectJ, and Maven with a JSP-based Web interface. It is completely modular and thoroughly documented.