Downloading Sunsama 2.0.4 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. This Mac application is an intellectual property of Summay, Inc. 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. The program lies within Productivity Tools, more precisely Mind-mapping.
From the developer:
Sunsama is a daily planner for busy professionals. It organizes your work one day at a time. The app helps you plan your day using a step-by-step routine. You get a unified daily view of meetings from your calendar. The tool lets you set realistic daily goals, decide how long you want to work on each task, schedule tasks to your calendar, and more.
You may want to check out more Mac applications, such as Santa's Gizmo or Liptikl - Cut-Up Word Shuffler & Creative Writing Tool, which might be related to Sunsama.