Creator: Prompted by the works of Andy Hunt and Dave Thomas who wrote The Pragmatic Programmer and Pete McBreen who wrote the Software Craftsmanship.
Purpose: Raise the bar for the standard and craft of professional software development. It builds upon the earlier Agile Software Manifesto for software development.
Manifesto for Software Craftsmanship
Source
The Manifesto with Signaturies
Some useful reading on related topics
Wikipedia background to the Software Craftsmanship movement
Other Software Manifestos
LuluSec and Anonymous: Operation Anti-Security
Michael Widenius: The Hacking Business Model