What are some alternatives?
When comparing World Happiness Map and Taskade, you can also consider the following products
appenguin - Turn the most complex web application or website to into an Android app in minutes, for free!
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Microsoft OneDrive - Secure access, sharing & file storage
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
GroupDocs - GroupDocs is a web-based service for online document sharing, collaboration and management.
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.