I have been testing Clockify and like it a lot, making projects and clients for my whole company (400+ clients each with 6-12 task projects) took about an hour and tracking is seamless. It has an outlook integration to bring meetings in automatically and has timers for every major browser. you can enter time in a timesheet, with timers, or from the calendar. idle detection, Pomodoro timer and task/project creation directly from asana or other integration.