Also check out R-Node, a Web front-end to R with Protovis. It's still alpha but worth taking a look.<p><a href="http://www.squirelove.net/r-node/" rel="nofollow">http://www.squirelove.net/r-node/</a><p><a href="http://gitorious.org/r-node" rel="nofollow">http://gitorious.org/r-node</a><p><a href="http://www.r-statistics.com/2010/04/r-node-a-web-front-end-to-r-with-protovis/" rel="nofollow">http://www.r-statistics.com/2010/04/r-node-a-web-front-end-t...</a>