QuickFIX is the worlds first Open Source C++ FIX (Financial Information eXchange) engine, helping financial institutions easily integrate with each other. The SVN repository is now locked. Latest code is hosted at github. https://github.com/quickfix/quickfix
A robust internet café administration toolkit. A very simple GUI to manage various systems running different operating systems. The main scripting language is Ruby using GTK for its GUI.
A web-based invoicing application that allows users to create invoice. Generate invoice in PDF format, email invoice directly to customer. Various reports available to track overdue invoices.