We now run gitstats on the curl git repository daily and provides fun graphs.
We have almost 11 years of source code history covered and I personally have done some ~68% of all commits. Given this long history it is fun to see some very clear trends. Like this first one: look at the distribution of commits per weekday over the entire period. The amount of commits done during weekends are significantly lower than during the work week, and the Sunday amount is clearly even lower than Saturday:
Similarly, we can see how the activity is spread out over calendar months. This shows an obvious correlation to the slower periods in my life, which means that July is vacation times and the numbers show it: