Yesterday Apple launched an online directory of more than 200 iPhone Web applications. The applications are organized in different categories (entertainment, games, productivity, etc). Also, it is possible to view popular applications, featured and staff picks.
It is a bit disappointing for developers not being able to develop native applications for iPhone, but Apple has its explanation for this. By not opening iPhone OS to the development world, Apple tries to keep iPhone more reliable and secure. This is a totally different approach that other Mobile Operating systems like Windows Mobile or Symbian have.