Office Timesheets - Professional Services Automation
4D - 4D is a relational database management system and IDE.
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
LiveCode Platform - It is Both Under the GPL and it is also Proprietary if using the GPL version the software you make...
Timewatch - Timewatch offers time tracking, expense management, resource scheduling and professional services automation solutions.
ESM Tools - ESM Tools is a powerful and widely known software development platform that comes with a centralized model infrastructure, providing the common frame for compiling, running, downloading, and organizing models (ones or multiple).