Enterprise project management replacement for Project Server
Open Source Integrated Hospital Information Management System
QRK Registrierkassen Software für kleine Betriebe.
Open-source ERP & CRM for small business — self-hosted, no user fees
Get latest Edition here: http://www.openqrm-enterprise.com.
jBilling is a web-based enterprise billing system.
Electronic Health Record (EHR / EMR)
OpenPatientOS is an information system for managing patient records