Better Notes - Simple notes app that ties notes together with #hashtags

Mind Map by RealtimeBoard - More than your average mind map

Paper - Super-clean writing space with a lot of configurability that stays out of sight when you don’t need it.

Text 2 Mind Map - Make a dynamic mind map from a plaintext nested list

Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.

Whimsical Mind Maps - Fast & beautiful mind maps with real-time collaboration