NetWrix Auditor - Configuration Auditing of IT Infrastructure
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
LepideAuditor - LepideAuditor Suite - A change auditing software for Active Directory, GPO and Exchange Server.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.