The most recent release from the current series is:
http://openvswitch.org/releases/openvswitch-1.4.1.tar.gz
The most recent release from the previous series is:
http://openvswitch.org/releases/openvswitch-1.3.0.tar.gz
You can also generate your own source tarball by clicking “snapshot” on a commit in our git web front-end. For a snapshot tarball of the most recent commit on the main development branch just use the following link:
http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=snapshot;sf=tgz;h=HEAD
Once you’ve obtained the release of your choice, see the documentation page for more information on how to build, install, and use the software. If you would like to contribute to openvswitch, full instructions for using git are available on the development page.