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.
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 2)   Time Tool 2.01
Combines a punch clock, invoice generator, and time sheet generator in one simple application. Track time billed to any number of clients and projects, and automatically create customizable reports, invoices, and time sheets.
time tracker, invoices, billing, timesheets, time sheets, time, punch clock, contractor, invoice, time sheet,

 3)   ClickWork 1.5
ClickWork is a no-nonsense, very-easy-to-use Time Tracker. Multi-user. Supports usergroups. Reporting on various levels. Statistical reports. Graphs. Features for manager. Fully configurable. Full featured trial version. Powerful licensing scheme.
time tracker, activity tracker, time tracking, activity tracking, project management, time management, time monitoring, worktime, timelog,

 4)   ExactSpent Time Tracking Software 2006
ExactSpent 2006 is a time tracking software, which provides exact record of the time you spent on jobs. Easy to use utility to track your time, store your time records, get time logs of your time spent on the job for own use or for client report.
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 5)   Great Budget Time Tracker Elite 3.0.2
Track time use by project, by activity and by activity across projects. Use this information to analyze how you use your time and devise ways to become more productive. Use it as a tool to track billable hours and control non productive activities.
time clock, time management, PIM, time tracker,