Framebuffer gui sdk

1. https://code.google.com/p/ftk/
git: https://github.com/xianjimli/ftk

2. http://www.diskohq.com/developers/documentation/howtos/usingframebuffer.html
git: git://www.diskohq.org/disko.git

3. http://github.lcui.org/us-en/index.html
git: https://github.com/LC-Team/LCUI

4. http://www.netsurf-browser.org/about/
git: git://git.netsurf-browser.org/netsurf.git