The missing child theme of Twenty Eleven, A better interface based on Twenty Eleven, No need to change the default theme, no database option strings will be created. Install and go.
You can get the latest version here. It has a custom theme update checker to keep it update to date as long as you activate it.
What's the Difference?
- Better, flat navigation style
- Responsive widget layout in footer
- Many minor tweaks
“Why not submit these themes to WordPress.org official repository?”
Answer: Their theme reviewer thinks my theme “just offer a few minor CSS tweaks and adds new footer credit links.” #