Inkscape Portable 0.92 has been released. Inkscape Portable is an open source scalable vector graphics editor packaged as a portable app, so you can do your graphics work on the go. It has all the same great features of Inkscape including markers, clones, alpha blending and has a streamlined interface. It's packaged in PortableApps.com Format so it can easily integrate with the PortableApps.com Platform. And it's open source and completely free.
Inkscape Portable is made available in conjunction with the Inkscape team.