I use Inspiration. It was designed for classroom use. It is simple, and works very intuitively. There is a desktop and subscription ($6.95/mo) version. www.inspiration.com

Hank

>Hi
>
>I want to create a simple data flow diagram.
>
>really keen on documentation where I am at the moment. :-(
>
>So I've just tried visio 2013 and not liking it much.
>
>Anyone got any suggestions on good tools for this ?
>
>Thanks
>
>Nick