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I need to time calls to bill clients. I need an widget/app that I can click start and get timing in minutes. It would also be nice to be able to see the cost of the call as well (and be able to preset first XXX minutes Free then $$$ then after that $$$ per XX minutes etc). Is there such an app? If not, how easy would it be to code it for as a widget?

Try a search at Mac OS X Software Updates and Mac OS X Downloads - VersionTracker I've heard of something like that, but don't remember it now.

I use a Dashboard widget timer, and RT for logging calls/incidents and total time spent

What's the dashboard widget name and what is RT? (links would help).

I also have thought about it more and what would be really cool, is two options, existing, new and when existing a drop down menu for name then it would display name, number, etc. and when set to new you can enter that info. After you click bill and it sends it off to paypal for the paypal bill.

ChronoTrack is the widget...

Best Practical Solutions, LLC: RT: Request Tracker