Frank Steele at TDFblog.com recently pointed out that Deepweb has published Le Tour 2006 a PalmOS application that provides stage profiles and distances, as well as intermediate Sprint and King-of-the-Mountains points. An update is planned to provide information about teams including rider lists.
I downloaded Version 1.0 on to my Treo 650 in order to see how well it works. The screens are written mostly in English, with the big exception being that the application uses the term "Etape" to refer to each stage. No big deal there.
The biggest glitch I've seen so far is that the Le Tour 2006 application is supposed to be able to insert information about each Etape (stage) into your Datebook. Whenever I try this, my Treo 650 does a soft reset. This may be because I run DateBk5 from Pimlico Software. I emailed Deepweb to report the problem and I'll let you know if I hear that they can repeat the problem.
I definitely think this software is worth having on my Treo, and I'd recommend it to any Tour fan who is aTreo user.
Update: According to Ad de Vries from Deepweb, "At this moment we have no complains about using LeTour on a Treo 650 (the same for our F1 program) but of course we will check it ASAP with the Treo 650 simulator (we don't have such a nice device overhere) and let you know if we know more about your problem."
This is a great response to receive from a Palm developer-- another reason you should download LeTour and give it a try.