15 characters isn't enough for me. When people like long names, just let them have long tabs please.
please, make the header smaller - it takes to much space. This especially notable on a small screen of a netbook.
Add ability to create and delete tabs
Link to this page directly from the app
How about some simple emoticons? :) (less-than)3
Do it across sessions, PLEASE. Every editor needs this but no one to my knowledge has ever done it. :)
Add a button to Expand All or, when all levels are expanded, Collapse All.
Pick a better name. I had to go back to the hacker news thread to find this site again. My first query was "BulletText".
I have an app just like this that I made for myself. Here's a screenshot: http://dl.dropbox.com/u/135901/screenshots/simba.png
I like to keep little windows like those open while I work. BulleTxt isn't really functional if I drop the window to such a small size.
Add more font styles and color options
Support more unicode chars.
Add more cake designs