Gliffy, an online charting tool

I got an invitation to try Gliffy today. It was a little fun. It was great. Name a few features:

1, no installation and download, the interface is very comfortable, I attach the picture is the Gliffy interface;

2, you can make the chart output to the wiki or blog, when you change the chart in Gliffy, the corresponding wiki and blog chart will be updated;