gModeler
from: gskinner.com
gModeler is a free online UML diagramming and documentation tool, targetted at developers working with ECMA 262 languages such as FlashMX's Actionscript, and Javascript. In addition to it's diagramming capabilities, it exports HTML documentation, FlashMX XML documentation (for the Action Panel and Reference Panel) and stub code (class code).
很早就想过可以做这样的东西，但是没有想到用flash可以做得这么pp。
点击此处直接运行。