The multi-award winning SuiteCRM is the world's best open source CRM.
Tiny ERP system for a salon
Free open source CRM for sales, projects and invoicing
Open-source CRM/ERP: contacts, calendar, email, tasks & file sharing
Open Source Laravel Admin Panel
Open Source Microfinance Suite
weberp's responsive mobile optimized version with HRMS and Payroll
Non-profit management
A simple address and contact management PHP script
ASP.net Open Source ERP Solution
Web based open source ERP