This describes the various features provided by SPICE, and how to make use of them when using QEMU/libvirt/virt-manager.
This describes spice-gtk C API.
Important: The pdf docs were written for spice 0.4 and is thus not wholly up to date.
Spice For Newbies
Contains basic information about Spice's architecture, components, and features - spice_for_newbies.pdf
Spice User Manual
Includes all of the information you need to use Spice, such as downloading, building, installing, and executing - spice_user_manual.pdf
Includes the VD Interface specifications - vd_interfaces.pdf
Defines Spice project's coding style and coding conventions - spice_style.pdf