Posted on October 22, 2010 by Jemima Klinks for 2010-10-21 GraphViz Charts (Experimental) – Google Chart Tools / Image Charts (aka Chart API) – Google Code Google Charts uses GraphViz and with this we can create org charts. Google charts is amazing. (tags: graphs charts webdev google) pChart | a PHP Charting library Charting library for PHP. Doesn't seem to do org charts, which is what I'm after, but otherwise looks great. (tags: charts graphs php webdev)