XSI

XSI may refer to:

Softimage XSI, a high-end three-dimensional (3D) graphics application .XSI, Softimage file format for scene data South Indian Lake Airport, the IATA code for the airport in Canada Canon EOS 450D, known as EOS Rebel XSi in North America, a DSLR camera from Canon X/Open System Interfaces Extension, a supplementary specification to the Single UNIX Specification A conventional XML namespace prefix for XML Schema instance information Broadsoft Xtended Services Interface, a set of APIs for integrating BroadWorks functions with Internet services