Download of ListBook 4.0 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Productivity Tools, more precisely Mind-mapping. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This Mac app was originally produced by noidentity gmbh.
From the developer:
ListBook is an application that helps you create lists with things to do or to remember. You can create as many lists as you consider necessary for better organizing your activities and never forgetting important events. The tool supports iCloud sync between iOS and OSX devices.
You may want to check out more software for Mac, such as SuperNotecard, Santa's Gizmo or Address Book Reports, which might be related to ListBook.