Subversion
NOTE: jQuery UI is now on GitHub. For more info, see Git.
This page remains for historical purposed only. Subversion is no longer used for development of jQuery UI.
Subversion (SVN)
If you have access to Subversion, you can connect to the old jQuery UI repository here:
svn co http://jquery-ui.googlecode.com/svn/trunk
You can also check out a specific version of jQuery UI from subversion at:
svn co http://jquery-ui.googlecode.com/svn/tags/<version> e.g. svn co http://jquery-ui.googlecode.com/svn/tags/1.8