LWDLiz
First Post
Well, let's see what people need.
GMs
1. A tool that let them plan and write the adventure. As a friend said, something like scrivener.
2. A tool for creating encounters, implemented in the "scrivener - style" app.
3. The ability to insert images and maps
4. A tablet app that will be able to "read" all the above. It shouldn't do a lot of fancy things. Just show the text, double tap to show images in fullscreen, maybe the ability to subtract hp from monsters. It should present the content, not edit it.
While not D&D specific, you should check out Realm Works. (Full disclosure, I work for Lone Wolf - the company that created Realm Works and also Hero Lab.) But it's campaign neutral, and fits the bill for #1-3. We're planning a web app in the future, which would work for tablet users.