Notebook.ai - A smart notebook that grows and collaborates with you
Better Notes - Simple notes app that ties notes together with #hashtags
Moleskine Smart Notebook - Turn hand-drawn sketches into fully workable vector files
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Kanka.io - Kanka.
Facebook Notes - Facebook launches a platform for writers and bloggers