What are some alternatives?
When comparing Whimsical Mind Maps and Atina, you can also consider the following products
Mind Map by RealtimeBoard - More than your average mind map
Flow - Stop managing projects from your inbox.
Iris - The fastest web framework for Go in (THIS) earth
Nifty Project Management - Manage projects, work, and communications in one place.
Transno - Only one tap transforms a note to mind map
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.