App4mac has introduced Delegate 1.0 (http://www.app4mac.com/delegate.html), a new to-do lists manager designed for the Mac, iPhone and iPad. It allows users to share a to-do list on the internet for remote access from any location.

Delegate has a built in tagging feature, which allows you to tag additional information to your tasks. This information can be anything you find necessary or helpful, such as due dates, priority levels, and contexts. Delegate is compliant to GTD method Getting Things Done.

The Mac version allows users to share a to-do list on the Internet with a free online service powered by app4mac Delegate Server solution. Using this feature requires a user license. As an option, Mac users can use their own Delegate Server. You can access a to-do list shared online from any Mac, iPhone or iPad running the Delegate application. The Mac version requires Mac OS X 10.5 or 10.6 Snow Leopard. It's available in English and French.

The Mac version is available for US$35 until end of July. Updates are always free.

The mobile version is a universal binary. This version allows you to create and manage to-do lists like the Mac version but also to access to lists shared online by the Mac version. The user interface has been designed for each platform. The mobile version requires iOS 3.1.1 or any later version. It's available in English and French.

The mobile version is available for $2.99 until the end of July. Again, updates are always free.