Clocking-Off is a project mainly written in JAVASCRIPT and RUBY, it's free.
Time tracking tool
== Clocking Off Rails 3 Timekeeping web application for managing timesheets, clients and projects.
Featuring devise and event_calendar gems.
Modal UI optimised for Firefox & Chrome.
Currently uses SQLite.
== Roadmap Couch DB distributed option
Google Calendar API hookup
Android Time Card Export/Import doodads
Invoicing?