It also measures the time spent in a git repository. The free version sends you a weekly email with the breakdowns. I've used it for over a year now, really happy with it.

You can also compare yourself to other developers, aka a leaderboard.

> You can also compare yourself to other developers, aka a leaderboard.

That's a feature with negative value. Top developers, at least in a business context, are those that help business realize their goals for their web product. One way top developers do this is to find solutions that involve writing less code, since code is a liability.

I found it useful when I saw myself on the top of the list some months ago and decided to take some days of because I was working way too much.