Awesome Window Manager icons generator
I am a happy user of awesome, an highly configurable window manager. I wrote a icon generator so that I can populate my wibox with icons of the exact right size.
Those icons are inspired by anrxc's 11x11 icons. You can even use the script to generate those original icons.
Here is an example output (last line is anrxc's icons generated by the script):
You can get the script from my awesome config git repository