Free Open Source Accounting and Club Systems
uniCenta oPOS - dynamically evolving POS project
Red Cherries Accounting is a web based accounting software solution.
osfinancials accounting and business processing software
JEE based Accounting web-application.
GO Gestionale Open: an Open Source ERP for your business
FreelancerBooks -Project Management for Freelancers and Agencies
The Open Source Invoice Management Software
Zaiko is small, versatile stock control application.
A trading platform including ERP, CRM, and accounting