Account Guard helps you monitoring your expenses. Spend a few minutes every other day with an easy to use GUI and it will tell you where you can improve on your financial situation. Core is a simple but complete library for single-user data-applications.
OXERP is an Open Extensible ERP. It provides full core features of ERP and CRM solutions : accounting, customer management, supply chain... Designed for use out of the box and easy to customize : invoice printing templates, accounting process...