Download of Crumb 1.0.3 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. This Mac app is an intellectual property of The Escapers Ltd. The software is included in Productivity Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
Crumb is a simple CRM app for your Mac computer. The app uses all the existing data in your Mac, like iCloud Calendars, Google Contacts and more, which are all kept synced by OSX. Crumb collects these crumbs of data to create a delicious cake of information.
You may want to check out more software for Mac, such as Zombie Duck Hunt, which might be related to Crumb.