WR Time Tracker is an open source, free web-based work time tracking Système. It is simple and very easy to use. It allows you to create user logins and organize them in teams, create and modify projects and activities, input work time, generate reports and invoices and send them via e-mail. The Système runs on FreeBSD, Linux, or Windows. Free hosting of this service is available for public at http://timetracker.wrconsulting.com. The Système is available in 7 languages: German, English, French, Dutch, Norwegian, Portuguese, Romanian, Russian, and Spanish.