If you've any ideas for features please mail me at andi (-at-) revelationonline.net. While I wont promise to implement it I'll keep it in mind. :-)
To give people access on all their devices we will need some kind of server side storage (or we can just be a chrome app?)
Issue here is that there is no way to tell about the group other than parsing the $category_ prefix of each skill. For example: combat_, social_ and so on
Let users choose an attribute for which a specific template should be optimized. This needs to work for remaining and total points. We probably also want to add upper limits so people aren't exceeding hard caps and such and thus wasteing skillpoints.
One of the things I had in mind was to divide the progress bar into each selected profession. So people have an Idea how many skillpoints are being invested in each of the trees. Example: