Toggl is an insanely easy time tracking tool. The software is intended for anybody who needs an easy-to-use overview of time spent. Toggl is on the web, but also has native apps for desktop, iOS and Android – that all sync together. It can be used online and offline.
Time Doctor provides detailed analytics of where time is spent in the work day. See websites and applications visited when working and screenshots of the computer screen every few minutes while they work.