ERP Server
Free Administration Software for Non-Profits
Hotel property management system
software for email automation (newsletters, transaction mails, etc.)
Nonprofit Finance, Donor, and CRM System
Simple, web-based address & phone book
a simple client-server ERP system
Open source support tracking in your browser
Web based open source ERP
Zaiko is small, versatile stock control application.
Free personal cloud service for small businesses.