Alfons Schmid has announced Mac OS X and Windows versions of Notebooks, a productivity app that combines text processing with task management and file organization.

It includes text processing for plain text, formatted text and Markdown, provides space to store and organize files and documents, and also integrates complex task management. The desktop applications are designed to complement the iPad and iPhone versions of Notebooks.

Notebooks 7 (for iPad and iPhone) costs US$12.99 and are available at the Apple App Store in the Productivity category. The Mac OS X version is $19.99 and is available through the Mac App Store in the Productivity category, or $17.99 (USD) from the developer's website (http://www.notebooksapp.com/mac).