1)   WR Time Tracker 0.4
WR Time Tracker is a simple, open source, web-based time tracking system. It allows you to create user logins and organize them in teams, create and modify projects and activities, input work time, generate & send reports & invoices. 6 languages.
time, time tracking, time tracker, project time, work time, working time, work hours, working hours, timesheet, timecard,

 2)   Logbook 1.7
Registers number of working hours on your computer. Stores the time of boot up, shut down, standby and user change.It is resistant to manipulations and recognises the time manipulations.
security, access, logbook, login, access control, working hours, logfile, children control,