No third party binary applications for the Apple iPhone or iPod touch yet. However, Apple created a list of web apps for these devices. You can find it linked below.
I was surprised to see so many (relatively speaking) web apps designed specifically for the iPhone/touch (215 as of Oct. 11, 2007). It will be interesting to see if this part of the iPod eco-system continues to grow.
Apples site is nice but not designed for the iPhone or iPod Touch. Places like http://www.appleopolis.com/desktop.php
have all the same apps but can be accessed and set-up into a one window launcher that looks just like Apples Springboard screen (main iphone, ipod touch screens).
You do have to sign up for a free account but it is well worth doing so. Since you add them online, none of the web apps need a place in your bookmarks.
Apple has been doing nice things for iPhone and Touch users on their websites. If you are a dotmac user you can access your shared bookmarks in a neat little web 2.0 app after logging into the dotmac site.