Red Cherries Accounting is a web based accounting software solution.
GO Gestionale Open: an Open Source ERP for your business
X2CRM - Workflow, Sales, Marketing, Workflow, Custom Apps, PHP, MySQL
Building High Quality ERP and Accounting Software for SMB & SME
ERP for SMEs (Accounting Module)
ShelterOps - Animal and Wildlife data management software
a simple client-server ERP system
Zikru aims to create an extensible web application
Open, modular, portable, and stable client-server ERP