
1) Free computer library
Found on
https://www.crosswordclues.com/clue/directfb

DirectFB (Direct Frame Buffer) is a software library with a small memory footprint that provides graphics acceleration, input device handling and abstraction layer, and integrated windowing system with support for translucent windows and multiple display layers on top of the Linux framebuffer without requiring any kernel modifications. DirectFB is...
Found on
http://en.wikipedia.org/wiki/DirectFB
No exact match found.