gitstats shows your commit statistics similar to one at GitHub profile page.
$ gitstats -p. -sxSM -w70 -e [email protected] -f ~/projects/*
...x..........x.S................................................S...x
..x.x..x.........................................................xx.x.
..x...x.......x..........x..x.....................................xSS.
..x....x......x.x................x...............................xxSx.
.........................x......................................x..Sx.
.x....xx.....x.x....................................................x.
......M......x......................................................x.
You may use stw to render gitstats on your X desktop.