Siruna (http://www.siruna.com) brings the mobile web closer to Drupal developer by providing a range of development tools to mobilize your Siruna site. The Siruna solutions consist of an open source content transcoding engine (http://open.siruna.com), and a range of Drupal modules.
For Drupal developers and site administrators, Siruna has launch a new service: http://www.osmobi.com. Osmobi allow easy and flexible mobilization of your drupal site. See
http://drupal.org/project/osmobiclient to download the Osmobi module.