NSIS Portable 2.46
NSIS Portable – installer creation to go
NSIS (Nullsoft Scriptable Install System) Portable is a professional open source system to create standard Windows installers (as well as our launchers) packaged as a portable app so you can create installers and launchers anywhere.
NSIS Portable easily integrates with the PortableApps.com Suite
Download: NSIS Portable 2.46