Time Tracker Go

It is a time tracking tool. You can define your projects and tasks with deadlines, and tracking your time usage for your tasks with timers. You can also enter you entry manually.

Completed projects can be archived, and you can always focus on your current projects.

Multi-task tracking is supported, so that you can track multiple projects / tasks at the same time.

Searching function enable you to find your projects / tasks / history quickly. You can also browse your history with history chart and calendar.