"We're very happy to announce the latest version of Gliffy Online-now completely rebuilt around an HTML5 editor with ultrafast response rates and an impressively improved feature set.
The next time you use Gliffy Online you'll notice the dramatic difference. HTML5 offers you stable, secure access to built-in features unavailable using a plugin like Flash. "
"Gliffy Diagrams is a Google Chrome app that makes the process of creating all such diagrams a lot easier. You can not only create a vast range of diagram types, but also modify them in plenty of ways, save the output as image files, and even export it to Google Docs, presentations, or web pages."