Because:
01 Multi-platform: can be used on Mac, Windows and Linux with one licence
02 Works offline, data stored only locally on your desktop, can be shared between computers using Dropbox, USB key, email file, etc
03 Lower one-off price for initial licence, no subscription costs , Android and iPhone apps included in price
04 Project structure: unlike many task management applications, ThinkingRock lets you group your actions in projects and sub-projects (no limit to number of levels)
05 Different views are available to display your tasks: a project tree to plan your project, a filtered list of actions to decide what needs doing today or within a context and Calendar views for a more visual approach
06 To review actions, user can create and define their own tabs (columns, ordering) and set-up filters. See the screenshot below: Today, This Week, Next Week, etc tabs and filters: Context, Time, Energy
07 Stop procrastination: it gets you moving on your thoughts by encouraging you to think of the next physical action to do and by entering Due Date and Start Date
08 Documentation and support available: user manual, full screen help provided (see below), online documentation, free customer support through our forum or email (use contact page)
09 It is a high quality software