Cadezena mNotes (Because I am Mr Lotus Notes Domino Guy)
wisbar 1.2 beta 4 (waiting for wisbar advance)
Calendar+
Tasks+
and tdlaunch
For many more, just do a search on this site for "Show off your Today Screen" That is how I found most of mine and people included the urls in those posts, plus you get to see how other people have their Axim setup.