Office Timesheets - Professional Services Automation
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.
Timewatch - Timewatch offers time tracking, expense management, resource scheduling and professional services automation solutions.
iDempiere - iDempiere Business Suite ERP/CRM/SCM done the community way.
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
PHC FX - PHC FX is a comprehensive solution that offers a wide range of functionality at any price.