I'm looking for something that runs in a terminal and allows me to track time. I'd like it to be open source but that isn't necessary.
Most time tracking apps I've found are either web or gui based and there for take longer to enter data then I'd like.
TimeTrap. It's simple and lightweight, and somewhat intuitive to use.
$ t switch World Domination Plan
$ t in --at "5 minutes ago" Research Volcano Islands
$ t out
$ t display
Timesheet World Domination Plan:
Day Start End Duration Notes
Mar 14, 2009 19:53:30 - 20:06:15 0:12:45 Research Volcano Islands
Total 0:12:45
It's written in ruby an available as a gem on gemcutter or on github: http://github.com/samg/timetrap
A similar tool written in python is called TimeBook and available on bitbucket.